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题:如果质点A的运动位移s关于时间t的关系满足s=3t2+lnt,则该质点在t=1时的瞬时速度为()

A. 3
B. 5
C. 7
D. 3+ln2

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Part 2 Vocabulary & Structure (30 points)Section AChoose the correct option for each sentence and fill in the blank with the correct answer mark A, B , C or D.1. Painting is a relaxing way tothe time.A. passB. keepC. makeD. save2. You’ll need toyour shirt if you’re going out to a smart restaurant.A. ironsB. ironC. ironedD. ironing3. Collecting dolls may seem like ahobby, but I really enjoy it.A. greatB. modernC. weirdD. dangerous4. Can youyour board game on another table, please? There isn’t enough room here.A. set upB. set overC. set onD. set in5. We’ve moved into a new house and the walls need to be painted. We’re looking for a(n).A. gardenerB. plumberC. electricianD. decorator6. In my opinion, the best filmmakers get theirfrom everyday life.A. publicationB. inspirationC. ambitionD. creation7. This house looks small on the outside, but theis large and spacious.A. inferiorB. superiorC. exteriorD. interior8. Look—there’s a filmover there! Do you think we’ll see anyone famous?A. groupB. crewC. clubD. camp9. Can we make this game more difficult? I don’t find itenough.A. challengingB. easyC. simpleD. boring10. We’ve known each other for just a few months, but ityears.A. seems asB. seems likeC. looks likeD. looks as

Section BFill in each blank with the proper word or phrase given in the brackets.1. My sister, (which/who) lives in Canada, is a dancer.2. Look! There’s the house(where/that) I used to live.3. He went to a disco, (where/which) always gave him a headache.4. He’s a writer (whose/which) books have been translated into one hundred languages.5. This city, (which/where) is very big is also very friendly.

Section CComplete the passage with the appropriate words given in the brackets.My sister and I may look similar but when it comes to hobbies, we are very different. I have a very busy (1)(schedule/hobby/group) and I like to keep active all the time. I’d be (2)(happy/excited/bored) if I stayed at home! My sister prefers to chill out and stay (3)(indoors/outdoors/interior). Her hobbies are calligraphy and painting and she does some really (4)(awful/awesome/boring) work—I think she’s very talented. In fact, last month, some of her work was in an (5)(expedition/expectation/exhibition) in our local art gallery—I was very proud of her.

下列科学家为我国化学工业作出突出贡献的是

A. 袁农平
B. 华罗庚
C. 邓稼先
D. 侯德榜