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地大《大学英语(三)》在线作业一
一,单选题
1. He wasn't appointed chairman of the committee, _______ not very popular with all its members.
A. to be considered
B. considering
C. being considered
D. having considered
?
正确答案：C
2. Workers in this company are paid ( ).
A. by the week
B. to a week
C. for a week
D. in the week
?
正确答案：A
3. David was lying in bed, _____ , listening to an English pop song.
A. awoke
B. awake
C. waking
D. wake
?
正确答案：B
4. Professor Wang, _______ for his informative lectures, was warmly received by his students.
A. Knowing
B. Known
C. to be known
D. having known
?
正确答案：B
5. How is your friend now?I am sorry to tell you he is going from ____ to worse in the hospital.
A. better
B. worse
C. bad
D. well
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5. The information which she was injured in the accident was given by Liz. A B C D A. A B. B C. C D. D 二、阅读理解（共1道小题，共50.0分）
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— _______ A.I’m sorry. B.Oh, no. Why? C.Go slowly. D.Why soon Can’t you stay a few days longer 3.—Sam, this is my friend, Jane. —_______ A.I’m Sam. B.How are you? C.Glad to meet you, Jane. D.Very well, thank you. 4.— May I know your name, please
— _______ A.I’d rather not. B.Yes, you may. C.Jane Edwin. D.No, please don’t 5.—Haven’t seen you for ages. How are you — _______ A.Thank you a lot. B.It’s several years. C.Long time no see. D.Just so-so. 6.We’re glad that something _______ has come out of the situation. A.positive?
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6. A: I haven’t eaten all day. B: You ___A____ be very hungry. must should have to 7. A: I haven’t sat down all day. B: You ____C___ be very tired. could have to must 8. I don’t know where the key is, but I suppose I ___A____ it at home. could have left should have left must leave 9. I have no idea who stole his wallet. It ____A___ anyone could have been should have been must have been 10. If my brother calls, ____B___ him to meet me at six. speak tell let
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1.在Java中类只允许单一继承 2.static class x implements y1,y2 { .... } 3.67890 4.重载 5.程序执行过程中遇到的事先没有预料到的情况 6.一个类的构造方法可以有多个 7.子类不能继承父类的私有属性 8.private 9.ItemListener 10.if语句可以没有else语句对应 11. 168 12. Graphics 13. Java的类分为两大部分：系统定义的类和用户自定义的类 14.aceg 15.Applet是Window的一种 16.子类将继承父类的非私有属性和方法 17.Java语言中的类可以多继承 18.方法中可以有多句return 19.do…while循环是先循环后判断，所以循环体至少被执行一次 20.一个程序可以包含多个源文件 ACBCA ADADB DAAAB BCCDA 对错对对对 TFFFF 2 BBDDA BDBDB ABCBC BCADD FFTFT TTFTT
1.long 2.无限次 3.鼠标移动 4.public int aMethod ( int m){...} 5.new dataOutputStream(new FileOutputStream(“out.txt”)); 6.6 7.Width 8.javac 9. Private 10. Frame 11.32 12.内存回收程序负责释放无用内存 13.protected 14.单重的 15. p.add(b,"South"); 16. public float aMethod（float c，float d）{ } 17.表达式s1.equals(s2)为真 18. fieldname 19.程序有编译错误 20.long number = 0x345L;
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阶段作业一 一、单项选择题（共10道小题，共100.0分） 1. All the signs _________ an early resumption of the battle. 2. 1.point at 2.point 3.point out 4.point to 3. In a time of social reform, people's state of mind tends to keep ________ with the rapid changes of society. 4. 1.step 2.progress 3.pace 4.touch 5. After he had been asked the same question many times, his answer became _________ . 6. 1.machine
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中国地质大学-理论力学-平时作业
1.弹性碰撞过程一定守恒的是（） A 动能 B冲量 C 能量 D ，以上三者都对 2. [参考答案] C 3. [参考答案] B 4. [参考答案] A 5.
[参考答案] D 6. [参考答案] A 7. 定轴转动刚体在下述情况下，其转轴是中心惯性主轴的情况是( ) (A) 惯性力系向转轴上一点简化只有主矩 (B) 惯性力系向刚体上但不在转轴上某一点简化，只有主矢 (C) 惯性力系向转轴上某一点简化，只有主矢 (D) 惯性力系向刚体上不在转轴上的某一点简化，只有主矩，且主矩与转轴平行。 8.刚体作定轴转动时，附加动约束力为零的必要与充分条件是( ) (A) 刚体质心位于转动轴上 (B) 刚体有质量对称面，转动轴与对称面垂直 (C) 转动轴是中心惯性主轴 (D) 刚体有质量对称面，转动轴与对称面成一个适当的角度
9.如图15所示的均质圆盘质量为m，半径为R，可绕O轴转动，某瞬时圆盘的角速度为，则此时圆盘的动量大小是( ) [参考答案] A 10.定轴转动刚体在下述情况下，其转轴是中心惯性主轴的情况是 (A) 惯性力系向转轴上一点简化只有主矩 (B) 惯性力系向刚体上但不在转轴上某一点简化，只有主矢 (C) 惯性力系向转轴上某一点简化，只有主矢 (D) 惯性力系向刚体上不在转轴上的某一点简化，只有主矩，且主矩与转轴平行。 11.如图所示的均质圆盘质量为m，半径为R，初始角速度为，不计阻力，若不再施加主动力，问轮子以后的运动状态是( )运动。 (A) 减速 (B) 加速 (C) 匀速 (D) 不能确定 12.如图所示，质量为的物块放在升降机上，当升降机以加速度向上运动时，物块对地板的压力等于( )
大学英语3作业题及答案
精品文档阅读理解题分第1题 (20) Many a young person tells me he wants to be a writer. I always encourage and such people, but I also explain that there's a big difference between a writerwriting. In most cases these individuals are dreaming of wealth and fame, not the long hours at a typewriter. “You have got to want to write,”I said to them, “not want to be a writer.” The reality is that writing is a lonely, private and poor-paying affair. For every writer kissed by fortune there are thousands more whose longing is never rewarded. When I left a 20-year career in the U.S. Coast Guard to become a freelance writer, I had no prospects at all. What I did have was a friend who found for me my room in a New York apartment building. It didn't even matter that it was cold and had no bathroom. I immediately bought a used typewriter and felt like a genuine writer. and began to doubt After a year or so, however, I still hadn't got a breakmyself. It was so hard to sell a story that barely made enough to eat. But I knew I to write. I had dreamed about it for many years. I wasn't going to be one wanted of those people who died wondering. What if? I would keep putting my dream to test (even though it meant living with uncertainty and fear of failure). This is the shadow-land of hope, and anyone with a dream must learn to live there. ．阅读理解1 (4.0) 分 The passage is meant to _______ . warn young people of the hardship that a successful writer has to experience 、A advise young people to give up their idea of becoming a professional writer B、 show young people it is unrealistic for a writer to pursue wealth C、 D、encourage young people to pursue a writing career 2．阅读理解 (4.0) 分 What can be concluded from the passage? 精品文档． 精品文档 rewarding. ａｎｄ、Genuine writers often find their work interesting A
地大《大学英语(一)》在线作业一答案
地大《大学英语(一)》在线作业一-0011 试卷总分:100 得分:0 一、单选题(共25 道试题,共100 分) 1.The Department is also deeply _____ in various improvement schemes. A.connected B.included C.involved D.implied 正确答案:C 2.( ) from her son for a long time, the mother worried a great deal. A.Not have heared B.Not having heared C.Not hear D.Not to hear 正确答案:B 3.This medicine is ( ). A.efficient B.effective C.efficiency D.effect 正确答案:B 4.The open-air celebration has been put off _______ the bad weather. A.in case of B.in spite of C.instead of D.because of 正确答案:D 5.He ( ) by selling newspaper. A.makes faces B.makes up C.makes a living D.makes alive 正确答案:C 6. --Do you care for modern music? --( )
A.No,I like classical music B.No,I hear it C.No,it's not my like D.Yes,I like it 正确答案:A 7.I got my shoes ( ) sale for half price. A.to B.with C.at D.on 正确答案:D 8.——what a hard problem! ——Ask Mary.Maybe she has ____ with a good idear about it. https://www.360docs.net/doc/487020707.html,e up B.ended up C.met up D.kept up 正确答案:A 9.Health problems are closely connected with bad eating habits and a _____ of exercise. A.limit https://www.360docs.net/doc/487020707.html,ck C.need D.demand 正确答案:B 10.She pretended not to hear,and keep ( ) walking. A.to B.on C.up D.of 正确答案:B 11.( ) have known each other for a long time. A.He and I B.He and me C.I and he D.I and him