内容正文:
第三部分 词汇题组限时练
题组6
河北英语RJ
英语
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(建议用时:25分钟 满分:35分)
Ⅰ.单项选择(共10小题;每小题1分,满分10分)
1.The watch on the desk is Lucy's. But I can't find ___.
A. his B. hers C. mine D. yours
2.When I got into the room, Mr. Green was talking ___ the phone.
A. of B. on C. in D. to
3.Annie ___ has breakfast. It is an unhealthy habit.
A. almost B. usually C. seldom D. always
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4.The bus is coming. Oh, no! It's full. I'm afraid we can't ___.
A. get on B. get up C. get out D. get off
5.Tom has studied very hard ___ he came to our school.
A. since B. when C. before D. while
6.Mr. Green ___ in his community twice a week. We should learn from
him.
A. volunteers B. volunteered C. is volunteering D. has volunteered
7.Mary won't join us. She ___ for the coming math exam.
A. prepares B. is preparing C. prepared D. was preparing
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8.Jenny is very happy because she ___ her final exam.
A. passed B. will pass C. has passed D. is passing
9.Sky lanterns ___ at many celebrations, but they are not good for the
environment.
A. use B. are used C. used D. were used
10.My father has gone to Shanghai for business. I'm not sure ___.
A. how he came back B. when he came back
C. where he will go D. when he will come back
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Ⅱ.完形填空(共10小题;每小题1分,满分10分)
Scientists study the world and learn about things using a process called the scientific method. By asking important questions and . .1. . the answers, it is possible to make amazing discoveries! Sometimes a scientist is . .2. . to answer his own questions, but if he has taken good notes, another scientist may come along later who is able to use new knowledge to answer them.
When you use the scientific method to . .3. . an experiment(实验), you start by making observations(观察) about something that . .4. . you.
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According to your observations, you make a hypothesis(假设). This is using what you know to make a smart guess about what you think could happen. Then you are ready to begin your experiment. During your experiment, you take down . .5. . notes