Language points and learning about language-

4. The boy lying under the tree ______
to his friend that his cock ____ eggs.
A. lied; lied C. lay; lay B. lied; laid
B
D. lay; lain
6. We suggest that they provide an
in no time
at times at a time
at one time
for the time being
from time to time
Para3
1.It was not immediately obvious that water was to be fundamental to the development of life. 2.What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acid into the oceans and seas. 3.This produced a chain reaction, which made it possible for life to develop.
3 表示人和物的名词后缀
意 义 用 法 从事…职业 加在动词/ -er 的人, 做… 名词/形容 的人, …地方 词上 表 的人 示 外来后缀, -or 与-er同义 加在外来 人 词上 从事于 ... 的 用于 -eer 人 外来词 后缀 例词
teacher worker learner
visitor educator engineer
后缀
意
义
用
法
例词
加在动词和 表示从事某 -er 名词或复合 washer 工作的物 表 词上 示 物 表示从事某 -or 加在动词上 receptor 工作的物
用 法 表示“人”, 加 在动词上
后缀-er 构词能力
表示“人”,加在 名词上 表示“人”,加在 某些地点名词 或某些形容词 表示“人”,加在 复合词上
后缀为-ion的名词 规 则 例 词 几乎所有以-ate结尾 educate/education 的动词在变为名词时 liberate/liberation 首先去掉e再加-ion. translate/translation 多数以-t结尾的动词 act/action invent/invention 直接在词尾加-ion, inspect/inspection 少数以-te结尾的动 词首先去掉e再加-ion. select/selection discuss/discussion 多数以-ss结尾的 oppress/oppression 动词直接加-ion.
effective warning system to ______ many of the disasters ______.
B
A. keep; happening
B. prevent; from happening C. stop; from being happened
D. prevent; from being happened
Para2
What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
The earth became so violent that it was not
后缀-er 构词能力
用 法 表示“物”,加在 动词上 表示“物”,加在 名词上 表示“物”,加在 复合词上 既表示 “人”也 表示“物”,加在 动词上 例 词 washer, boiler, container, lighter, drawer steamer, washer three-wheeler, loudspeaker fighter, printer, recorder, ruler
Unit 4 Astronomy: the science of the stars
Language points and learning about language
高一英语
主讲教师：左丹妮
Para1
No one knows exactly how the earth
began, as it happened so long ago. According to a widely accepted theory, the universe began with a “Big Bang” that threw matter in all directions.
1. begin with=start with 2. to begin with=to start with 这两个词组
都可以单独使用,表示“首先; 第一; 起初;
最初”.在句中作时间状语. e.g. To begin/start with, I couldn’t like him at all. to begin with, then, furthermore, finally
例 词 listener, adviser, speaker, writer, driver, teacher, worker, singer banker, officer, lawyer, prisoner Londoner, New Yorker, villager, Britisher, southerner, foreigner housekeeper, bookseller, looker-on
抽 象 名 词 和 集 合 名 词 的 后 缀
difficulty, discovery, bravery, -y machinery -al arrival, refusal, disapproval, kindness, illness, brightness, -ness selflessness citizenship, friendship, -ship professorship, hardship, comradeship -hood childhood, brotherhood strength, growth, length, -th wealth, truth
不, 非, 加在形容 无 词或其派 生的名词 或副词前
前缀
dis-
意义 用 法 表示否定 加在名词或 形容词前 表示相反 加在动词前 表示分离 加在名词或 剥夺除去 动词前
例 词 dishonour disease dislike discharge dismiss
5. en-, 表示“在内, 进入”encage, 6. ex-, ec-, es-, 表示“外部, 外” exit, expand, export 7. extra-, 表示“额外” extraction （提取） 8. fore- 表示“在前面” forehead 9. in-, il-, im-, ir-, 表示“向内, 在内, 背于”
用 法 加于名词后, -ess 女...的 表示阴性 加在以-ic结 -ician ...(专)家, 尾的名词或 表 形容词上 示 从事...职 加在名词上, 人 业的人, 或 –ize 结尾 -ist 从事某种 的动词上, ...文艺/ 或以-al结尾 学术的人 的其它词上
后缀
意
义
例词 actress waitress physician politician musician artist socialist
15. post-, 表示 “向后, 在后边, 次” postwar 16. pre-, 表示“在前, 在前面” prefix, preface, preposition 17. pro-, 表示“在前，向前” progress, proceed, 18. sub-,suc-,suf-,sug-,sum-,sup-,sur-,sus-, 表示“在下面，下”
Para4
Why they suddenly disappeared still remains a mystery.
This disappearance made possible the
rise of mammals on the earth
Para5
1. They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space. 2. As a result of this, many scientists believe the earth may become too hot to live on. 3. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.
inland, invade, inside, import
10. inter-, intel-, 表示“在……间, 相互” international, interaction 11. intro-, 表示“向内, 在内, 内侧” introduce 12. medi-, med-, mid-, 表示“中, 中间” Mediterranean 13. out-, 表示“在上面, 在外部, 在外” outline, outside, outward 14. over-, 表示“在上面，在外部, 向上” overlook, overhead,