高考英语强调句型课件.
合集下载
高中英语复习特殊句式之强调句课件
Consider contextual context
Fill in the blank questions usually provide a certain amount of contextual context, so it is necessary to combine context to understand the sentence and fill in the correct emphasis section.
Use special interrogative sentences to ask and emphasize specific information in the sentence.
Emphasize specific components in interrogative sentences using changes in intonation.
question types and problem-solving
Exclamatory sentence structure with emphasis
Use the "What/How... it is/was that..." structure to express strong
exclamation and emphasis.
By omitting other components of the sentence and retaining only the parts that need to be emphasized,
Compared to exclamation sentences, emphasis sentences are more objective and accurate in expressing strong emotions, and are not overly exaggerated or subjective.
Fill in the blank questions usually provide a certain amount of contextual context, so it is necessary to combine context to understand the sentence and fill in the correct emphasis section.
Use special interrogative sentences to ask and emphasize specific information in the sentence.
Emphasize specific components in interrogative sentences using changes in intonation.
question types and problem-solving
Exclamatory sentence structure with emphasis
Use the "What/How... it is/was that..." structure to express strong
exclamation and emphasis.
By omitting other components of the sentence and retaining only the parts that need to be emphasized,
Compared to exclamation sentences, emphasis sentences are more objective and accurate in expressing strong emotions, and are not overly exaggerated or subjective.
英语强调句(经典必收藏)PPT课件
被强调部分为P主ay语时at，te“n被ti强on调！部分”用主格；
被强调部分为宾语时，“. 被强调部分”用宾格1。2
u被强调成分是作主语的代词，用主格，是 作宾语的代词，用宾格。
He helped me yesterday It was he that helped me yesterday. It was me that he helped yesterday.
come to school on foot?
vA. it; that; whose
B. it; that it takes;
whose
vC. it for; that it takes; whose D. it; when; that;
v[简析]：本题结构复杂，是定语从句、强调句型的一般问句 形式和句式It takes sb some time to do sth.的糅合。我们也分 几步来看这个句子：
Is／Was it+被强调成分+who／that（引导的陈
述句）... ？
（1）Did you meet your brother at the school
gate?
Was it your brother that you met at the school
gate?(强调宾语)
（2）Does Tom walk to school every day ?
v第一步：基本句式It takes th. e boy three hours to come to 21 school on foot.
第二步：以the boy为先行词，后面附上定语从句，则变为：
It takes the boy whose family is poor three hours to come to school on foot.
被强调部分为宾语时，“. 被强调部分”用宾格1。2
u被强调成分是作主语的代词，用主格，是 作宾语的代词，用宾格。
He helped me yesterday It was he that helped me yesterday. It was me that he helped yesterday.
come to school on foot?
vA. it; that; whose
B. it; that it takes;
whose
vC. it for; that it takes; whose D. it; when; that;
v[简析]：本题结构复杂，是定语从句、强调句型的一般问句 形式和句式It takes sb some time to do sth.的糅合。我们也分 几步来看这个句子：
Is／Was it+被强调成分+who／that（引导的陈
述句）... ？
（1）Did you meet your brother at the school
gate?
Was it your brother that you met at the school
gate?(强调宾语)
（2）Does Tom walk to school every day ?
v第一步：基本句式It takes th. e boy three hours to come to 21 school on foot.
第二步：以the boy为先行词，后面附上定语从句，则变为：
It takes the boy whose family is poor three hours to come to school on foot.
专题10+强调句型-高考英语语法知识强化精品课件
trary, I think it is Truman, rather than you, that __i_s_____(be)
to blame.
2. John's success has nothing to do with good luck. It is years of hard work
【即时训练】 7.---__H_o__w____was it that he managed to get the information? ---Oh, a friend of his helped him. 8. ---What was it __t_h_a_t____ made Daisy wild with joy? ---Her success in the A-level exam this year.
4. (2012重庆) It was 80 years before Christopher Columbus crossed the
Atlantic _t_h_a__t_ Zheng sailed to East Africa.
PART TWO
02
强调句型 一般疑问句式
【要点精讲】 1. 强调句型的一般疑问句需要把is/was提前。 2.其形式为“Is/ Was it-+被强调部分+that/who+其他?” 。 例1：Is it Professor Wang who teaches you English? 例2：Was it our being late that caused him to serve dinner an hour later than usual?
PART FOUR
04
强调句型含 not…until…句式
to blame.
2. John's success has nothing to do with good luck. It is years of hard work
【即时训练】 7.---__H_o__w____was it that he managed to get the information? ---Oh, a friend of his helped him. 8. ---What was it __t_h_a_t____ made Daisy wild with joy? ---Her success in the A-level exam this year.
4. (2012重庆) It was 80 years before Christopher Columbus crossed the
Atlantic _t_h_a__t_ Zheng sailed to East Africa.
PART TWO
02
强调句型 一般疑问句式
【要点精讲】 1. 强调句型的一般疑问句需要把is/was提前。 2.其形式为“Is/ Was it-+被强调部分+that/who+其他?” 。 例1：Is it Professor Wang who teaches you English? 例2：Was it our being late that caused him to serve dinner an hour later than usual?
PART FOUR
04
强调句型含 not…until…句式
高考英语语法专题---强调句课件
√
√
√
4.Was it during the Second War __he died? A. that B.while C. in which D. then
√
√ 6.It was not until 1956___ liberated. the town B. √A.that the town was D. did the town town C. was that was the
√
18. Was it in 1982 ____ you were in university_____ you got to know her? A. that; that B. which; that C. when; that D. that; when 19. Personally I think it is the sales manager, rather than the sales girl, ____ to blame. A. is B. that is C. are D. who are 20. In my opinion, all Mr. Tom ____ good to his students in his class at present. He is strict in their study. A. does does does B. does do do C. does does do D. did do does
注 意
3. 当被强调部分指人时，可以用that连接，也可用 who / whom连接；指物时，只用that 连接。
练习：It was Tom Who /whom/that I met last week. __________
高中英语语法强调句的用法优秀公开课课件
3、特殊疑问句的强调句型： 特殊疑问词+ is/ was + it + that+ 其它部分 e.g. Who was it that saved my son last year?
强调宾语
Doctor Li saved my son last year. 强调宾语 1. 陈述句： It was my son that/who was saved by doctor Li last year.
强调句型的判断
• 强调句型的判断 • 把“It is(was) …that/who”去掉，如果剩余 部分句子结构仍然完整，这个句子就是强调句； 如果句子不完整，则不是强调句。 • 如： • ①It is he who often helps me with my English. • • ②It was because of bad weather that the football match had to be put off.
注意：被强调的原因状语从句只能用because引导，
不能用as或since引导
Not until 强调句式
Not ~until
句型为：
It is/ was not until + 被强调部分 + that + 其它部分
【原句】他完成作业之后才睡觉 He didn’t go to sleep until he finished his work. Not until 置于句首 Not until he finished his work, did he go to sleep. 强调句+ not until It was not until he finished his work that he went to sleep.
《高考英语强调句型》课件
Common emphasis sentence structures include: emphasizing the subject, emphasizing the object, emphasizing the predicate, etc.
Emphasize the role of presence patterns
Emphasizing sentence patterns plays an important role in English, as they can make sentences more vivid, powerful, and enhance expression.
In the college entrance examination of English, emphasizing sentence patterns is also one of the important test points. Mastering emphasizing sentence patterns can improve the language application ability and reading comprehension ability of candidates.
Look for words or phrases that are in bold, italicized, or underlined These are often used to highlight important information or emphasize certain parts of the presence
Emphasize content sentence structure
Detailed description
Emphasize the role of presence patterns
Emphasizing sentence patterns plays an important role in English, as they can make sentences more vivid, powerful, and enhance expression.
In the college entrance examination of English, emphasizing sentence patterns is also one of the important test points. Mastering emphasizing sentence patterns can improve the language application ability and reading comprehension ability of candidates.
Look for words or phrases that are in bold, italicized, or underlined These are often used to highlight important information or emphasize certain parts of the presence
Emphasize content sentence structure
Detailed description
高中英语强调句课件(绝对全,经典)全
New York and settled down in Ca small village. (Shanghai 2001, spring)
A. which B.why C.that D.how
三、强调句型几注意
首先，我们按强调句的语序来总结强调句的五项注意：
1. 句首词用“It”，不能用“This”，“That”等。
4. This is just what I wanted． 这正是我所要的。
4. 用in the world，on earth，at all等介词 短语可以表达更强的语气（常用于疑问 句）：
Where in the world could he be？ 他到底会在哪儿？
What on earth is it？ 它究竟是什么？
②It is on the hillside that we plant trees every year. ③It was because of bad weather that the football match
had to be put off.(Shanghai 2003, spring)
China.
A. that B. when C. since D. as ④ It was _____A___ he said ______disappointed me。
A. what; that B.that; that C. what; what D.that; what ⑤ It was for this reason ________ her uncle moved out of
C. not until midnight that he went D. until midnight when he didn't go
高考英语 强调句型PPT课件
Not until she had arrived home did she remember her appointment with the doctor.
强调部分为 " not ... until " 句型：
It was not until late in the evening __C___ her husband arrived home . A. which B. when C. that D. how It was not until 1920 ___C__ regular radio broadcasts began. A. which B. when C. that D. since
Where was it that you saw her cellphone yesterday? （强调特殊疑问词where） (2)How will you go to visit her tomorrow?
How is it that you will go to visit her tomorrow? （强调特殊疑问词how）
A. that B. who C. when D. when
___C__ you met the foreigner from Canada ? A. Where it was that B. Who it was that C. Where was it that D. Where was that
Donald?(强调宾语) （2）Has Tom borrowed your money recently?
Is it Tom that has borrowed your money recently? (强调主语)
2 . 特殊疑问句的强调：疑问词(被强调部 分)+is/was+it+tபைடு நூலகம்at+句子其余部分 (1)Where did you see her cellphone yesterday ?
强调部分为 " not ... until " 句型：
It was not until late in the evening __C___ her husband arrived home . A. which B. when C. that D. how It was not until 1920 ___C__ regular radio broadcasts began. A. which B. when C. that D. since
Where was it that you saw her cellphone yesterday? （强调特殊疑问词where） (2)How will you go to visit her tomorrow?
How is it that you will go to visit her tomorrow? （强调特殊疑问词how）
A. that B. who C. when D. when
___C__ you met the foreigner from Canada ? A. Where it was that B. Who it was that C. Where was it that D. Where was that
Donald?(强调宾语) （2）Has Tom borrowed your money recently?
Is it Tom that has borrowed your money recently? (强调主语)
2 . 特殊疑问句的强调：疑问词(被强调部 分)+is/was+it+tபைடு நூலகம்at+句子其余部分 (1)Where did you see her cellphone yesterday ?
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
ag是不是电子牌
[单选,A2型题,A1/A2型题]关于1型糖尿病，下列错误的是（）。A.对胰岛素不敏感B.有发生酮症酸中毒的倾向C.起病较急，症状明显D.大多消瘦E.发病年龄较早 [单选]常用Allis法和Stimson法的关节脱位是（）A.腕关节脱位B.肩关节脱位C.肘关节脱位D.膝关节脱位E.髋关节脱位 [填空题]若处理管线，通常选用吹扫介质是（）。 [问答题,案例分析题]某工业引进项目，基础数据如下：1．项目的建设期为2年，该项目的实施计划为：第一年完成项目的全部投资40％，第二年完成60％，第三年项目投产并且达到100％设计生产能力，预计年产量为3000万吨。2．全套设备拟从国外进口，重量l850吨，装运船上交货价为460万美 [单选]在柴油机中对外做功的工质是（）。A．燃油B．空气C．燃烧产物D．可燃混合气 [单选]下列关于肾血流动力学异常的原因哪项是错误的（）A.交感神经过度兴奋B.肾内肾素血管紧张素系统兴奋C.肾内舒血管性前列腺素合成减少，缩血管性前列腺素产生过多D.血管缺血导致血管内皮损伤E.球一管反馈过弱 [单选]口腔霉菌感染漱口液选择()A．1％～2％龙胆紫B．1％～3％碳酸氢钠溶液C．0．1％利凡诺溶液D．0．02％呋喃西林E．朵贝尔溶液 [问答题,简答题]在高处操作时有哪些要求？ [单选]《须履行的义务。A.提高技能B.保守秘密C.依法执业D.公平竞争 [单选]关排出阀启动时启动功率较小的是（）。A．旋涡泵B．离心泵C．螺杆泵D．齿轮泵 [单选]以下有关混凝土的碳化说法错误的是（）。A.混凝土的碳化会减弱对钢筋的保护作用B.混凝土的碳化会增加混凝土的收缩C.混凝土的碳化会引起混凝土的微细裂缝D.混凝土的碳化有弊无利 [单选,A2型题,A1/A2型题]符合ALL特点的是（）A.过氧化物酶阳性B.可见Auer小体C.非特异酯酶阳性D.苏丹黑染色阴性E.糖原PAS反应（+）或成块 [单选]社会道德直接影响着（）。A.地域风俗B.文明程度C.文化素养D.职业道德 [问答题]普通混凝土的主要特性有如下四点，分别是？ [单选,A2型题,A1/A2型题]与郁证发病关系最为密切的脏腑是（）A.心B.肝C.脾D.肺E.肾 [单选,A2型题,A1/A2型题]患者右面神经周围性瘫，双眼不能向右侧凝视，左侧偏瘫，左侧Babinski征阳性，病变在（）。A.左侧内囊B.右侧内囊C.左侧脑桥D.右侧脑桥E.内囊病变延及桥脑 [判断题]居住在境内的中国公民实名证件为居民身份证或者临时居民身份证。（）A.正确B.错误 [问答题]实行公务卡改革试点前，有些预算单位已与银行合作办理了信用卡，这种情况仍需办理公务卡吗？ [单选,A1型题]下列各项，不属附子主治病证的是（）A.亡阳欲脱，肢冷脉微B.寒凝血瘀，经闭阴疽C.命门火衰，阳痿早泄D.中寒腹痛，阴寒水肿E.阳虚外感，寒痹刺痛 [判断题]碳素钢的塑性随其温度升高，塑性越好。（）A.正确B.错误 [填空题]新《电气化铁路有关人员电气安全规则》自20l3年（）月（）日起施行。 [单选]道路勘测是对井队搬迁所经过的道路进行（），以保证安全顺利地搬迁。A.地图研究B.测量C.实地调查D.清理 [单选,A2型题,A1/A2型题]糖耐量试验（耐糖曲线）用于诊断（）A.严重糖尿病B.酮症酸中毒C.检查血糖回复到正常水平的时间D.隐性糖尿病E.临床常规糖尿病 [多选]鼠疫的预防A．灭鼠灭蚤，监控鼠间鼠疫B．加强疫情报告C．用来苏水消毒病人排泄物和分泌物D．加强个人防护E．预防服药和预防接种 [单选]学生解题能够一题多解，说明他的（）能力强A．再现思维B．求同思维C．辐合思维D．发散思维 [填空题]化验室大量使用玻璃仪器，是因为玻璃具有很高的（）、（）有很好的（）一定的（）和良好绝缘性能. [单选]了解某市国有工业企业生产设备情况，则统计总体是（）。A.该市国有的全部工业企业B.该市国有的每一个工业企业C.该市国有的某一台设备D.该市国有工业企业的全部生产设备 [单选,A1型题]膀胱肿瘤最主要的诊断方法为（）A.X线膀胱造影B.膀胱镜检查必要时活检C.尿脱落细胞学检查D.超声波检查E.膀胱区触诊 [单选]对商品投资基金进行具体的交易操作、决定投资期货的策略的是（）。A．商品基金经理B．商品交易顾问C．交易经理D．期货佣金商 [单选]催吐适用于哪种情况（）。A.昏迷患儿B.惊厥患儿C.婴儿D.强酸中毒E.神清能合作的患儿 [单选,A1型题]女婴，8个月，因发热2d住院。体重7．3kg，身长65cm。以下哪项是营养治疗的最佳方案（）A.蛋白每天1～2g／kg，热量每天502kJ／kg（120kcal／kg）B.蛋白每天2～3g/kg，热量每天460kJ／kg（110kcal／kg）C.蛋白每天3～4g/kg，热量每天336kJ／kg（80kcal／kg）D.蛋白每天 [单选,A2型题,A1/A2型题]左心衰竭心功能变化的指标是（）ABCDE [单选,A1型题]关于煎药的火候说法错误的是（） [单选]相对数表示的是（）A.数值资料平均水平的指标B.数值资料变异程度的指标C.事物相对关系的指标D.事物相关程度的指标E.动态分析指标 [配伍题,B型题]结核病的一线抗结核药物是()</br>结核分枝杆菌的细胞壁脂质含量是()</br>迟发型变态反应原理是()A．占其干重的60%B．盐酸酒精C．硫酸D．利福平E．结核菌素试验 [填空题]按照信息的性质，可以把信息分成（）、（）和（）。 [问答题,简答题]纯化器出分子筛的CO2超标的原因？ [单选,A1型题]以下哪种疾病不属于自身免疫性疾病（）A.原发性血小板减少性紫癜B.1型糖尿病C.亚急性硬化性全脑炎D.淋巴细胞性甲状腺炎E.以上都不是 [单选,A1型题]认知疗法的治疗目标是（）A.改变患者的不良行为B.帮助患者建立理性的认知模式C.消除不良嗜好D.帮助患者自我实现E.挖掘患者的最大潜力 [单选,A2型题,A1/A2型题]以下关于参考方法的描述，正确的是（）。A.目前绝大多数检验项目都已有参考方法B.性能稳定的常规方法可以用作参考方法C.每个临床实验室都应建立主要检验项目的参考方法D.参考方法是鉴定基质效应的重要工具E.寻求参考方法的目的是当无适宜检测方法时进行替
[单选,A2型题,A1/A2型题]关于1型糖尿病，下列错误的是（）。A.对胰岛素不敏感B.有发生酮症酸中毒的倾向C.起病较急，症状明显D.大多消瘦E.发病年龄较早 [单选]常用Allis法和Stimson法的关节脱位是（）A.腕关节脱位B.肩关节脱位C.肘关节脱位D.膝关节脱位E.髋关节脱位 [填空题]若处理管线，通常选用吹扫介质是（）。 [问答题,案例分析题]某工业引进项目，基础数据如下：1．项目的建设期为2年，该项目的实施计划为：第一年完成项目的全部投资40％，第二年完成60％，第三年项目投产并且达到100％设计生产能力，预计年产量为3000万吨。2．全套设备拟从国外进口，重量l850吨，装运船上交货价为460万美 [单选]在柴油机中对外做功的工质是（）。A．燃油B．空气C．燃烧产物D．可燃混合气 [单选]下列关于肾血流动力学异常的原因哪项是错误的（）A.交感神经过度兴奋B.肾内肾素血管紧张素系统兴奋C.肾内舒血管性前列腺素合成减少，缩血管性前列腺素产生过多D.血管缺血导致血管内皮损伤E.球一管反馈过弱 [单选]口腔霉菌感染漱口液选择()A．1％～2％龙胆紫B．1％～3％碳酸氢钠溶液C．0．1％利凡诺溶液D．0．02％呋喃西林E．朵贝尔溶液 [问答题,简答题]在高处操作时有哪些要求？ [单选]《须履行的义务。A.提高技能B.保守秘密C.依法执业D.公平竞争 [单选]关排出阀启动时启动功率较小的是（）。A．旋涡泵B．离心泵C．螺杆泵D．齿轮泵 [单选]以下有关混凝土的碳化说法错误的是（）。A.混凝土的碳化会减弱对钢筋的保护作用B.混凝土的碳化会增加混凝土的收缩C.混凝土的碳化会引起混凝土的微细裂缝D.混凝土的碳化有弊无利 [单选,A2型题,A1/A2型题]符合ALL特点的是（）A.过氧化物酶阳性B.可见Auer小体C.非特异酯酶阳性D.苏丹黑染色阴性E.糖原PAS反应（+）或成块 [单选]社会道德直接影响着（）。A.地域风俗B.文明程度C.文化素养D.职业道德 [问答题]普通混凝土的主要特性有如下四点，分别是？ [单选,A2型题,A1/A2型题]与郁证发病关系最为密切的脏腑是（）A.心B.肝C.脾D.肺E.肾 [单选,A2型题,A1/A2型题]患者右面神经周围性瘫，双眼不能向右侧凝视，左侧偏瘫，左侧Babinski征阳性，病变在（）。A.左侧内囊B.右侧内囊C.左侧脑桥D.右侧脑桥E.内囊病变延及桥脑 [判断题]居住在境内的中国公民实名证件为居民身份证或者临时居民身份证。（）A.正确B.错误 [问答题]实行公务卡改革试点前，有些预算单位已与银行合作办理了信用卡，这种情况仍需办理公务卡吗？ [单选,A1型题]下列各项，不属附子主治病证的是（）A.亡阳欲脱，肢冷脉微B.寒凝血瘀，经闭阴疽C.命门火衰，阳痿早泄D.中寒腹痛，阴寒水肿E.阳虚外感，寒痹刺痛 [判断题]碳素钢的塑性随其温度升高，塑性越好。（）A.正确B.错误 [填空题]新《电气化铁路有关人员电气安全规则》自20l3年（）月（）日起施行。 [单选]道路勘测是对井队搬迁所经过的道路进行（），以保证安全顺利地搬迁。A.地图研究B.测量C.实地调查D.清理 [单选,A2型题,A1/A2型题]糖耐量试验（耐糖曲线）用于诊断（）A.严重糖尿病B.酮症酸中毒C.检查血糖回复到正常水平的时间D.隐性糖尿病E.临床常规糖尿病 [多选]鼠疫的预防A．灭鼠灭蚤，监控鼠间鼠疫B．加强疫情报告C．用来苏水消毒病人排泄物和分泌物D．加强个人防护E．预防服药和预防接种 [单选]学生解题能够一题多解，说明他的（）能力强A．再现思维B．求同思维C．辐合思维D．发散思维 [填空题]化验室大量使用玻璃仪器，是因为玻璃具有很高的（）、（）有很好的（）一定的（）和良好绝缘性能. [单选]了解某市国有工业企业生产设备情况，则统计总体是（）。A.该市国有的全部工业企业B.该市国有的每一个工业企业C.该市国有的某一台设备D.该市国有工业企业的全部生产设备 [单选,A1型题]膀胱肿瘤最主要的诊断方法为（）A.X线膀胱造影B.膀胱镜检查必要时活检C.尿脱落细胞学检查D.超声波检查E.膀胱区触诊 [单选]对商品投资基金进行具体的交易操作、决定投资期货的策略的是（）。A．商品基金经理B．商品交易顾问C．交易经理D．期货佣金商 [单选]催吐适用于哪种情况（）。A.昏迷患儿B.惊厥患儿C.婴儿D.强酸中毒E.神清能合作的患儿 [单选,A1型题]女婴，8个月，因发热2d住院。体重7．3kg，身长65cm。以下哪项是营养治疗的最佳方案（）A.蛋白每天1～2g／kg，热量每天502kJ／kg（120kcal／kg）B.蛋白每天2～3g/kg，热量每天460kJ／kg（110kcal／kg）C.蛋白每天3～4g/kg，热量每天336kJ／kg（80kcal／kg）D.蛋白每天 [单选,A2型题,A1/A2型题]左心衰竭心功能变化的指标是（）ABCDE [单选,A1型题]关于煎药的火候说法错误的是（） [单选]相对数表示的是（）A.数值资料平均水平的指标B.数值资料变异程度的指标C.事物相对关系的指标D.事物相关程度的指标E.动态分析指标 [配伍题,B型题]结核病的一线抗结核药物是()</br>结核分枝杆菌的细胞壁脂质含量是()</br>迟发型变态反应原理是()A．占其干重的60%B．盐酸酒精C．硫酸D．利福平E．结核菌素试验 [填空题]按照信息的性质，可以把信息分成（）、（）和（）。 [问答题,简答题]纯化器出分子筛的CO2超标的原因？ [单选,A1型题]以下哪种疾病不属于自身免疫性疾病（）A.原发性血小板减少性紫癜B.1型糖尿病C.亚急性硬化性全脑炎D.淋巴细胞性甲状腺炎E.以上都不是 [单选,A1型题]认知疗法的治疗目标是（）A.改变患者的不良行为B.帮助患者建立理性的认知模式C.消除不良嗜好D.帮助患者自我实现E.挖掘患者的最大潜力 [单选,A2型题,A1/A2型题]以下关于参考方法的描述，正确的是（）。A.目前绝大多数检验项目都已有参考方法B.性能稳定的常规方法可以用作参考方法C.每个临床实验室都应建立主要检验项目的参考方法D.参考方法是鉴定基质效应的重要工具E.寻求参考方法的目的是当无适宜检测方法时进行替