江波同学看到江中停着一艘轮船，他想：如果地球对所有物体的引力_爱下问搜题

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问题填空题

江波同学看到江中停着一艘轮船，他想：如果地球对所有物体的引力都突然减小一半，这艘轮船的质量和浮沉情况会怎样变化呢?正确的是：质量将________（选填“变大”、“变小”或“不变”），它在水中的位置将________（选填“上浮一些”、“下沉一些”或“不变”)．

答案

不变；不变

多选题

请在观察下面的地理素描和相应的等高线图，当发生洪水灾害时，哪条逃生线路是安全的？（　　）

A．A

B．B

C．C

D．D

完形填空

完形填空。
The purpose of a letter of application(求职信) is to help you to "sell" yourself. It should state__1_ the job you want, and should tell what your abilities are and what you have__2_. It should be simple, human, personal and brief without _ 3 _ out any necessary facts. In writing a letter of application, keep in __4__ that the things a possible employer is most _5__ to want to know about are your qualifications(条件), your achievements and your aims. The opening paragraph is perhaps the most important part. _6__ the first few sentences fail to _7__ the reader's attention, the rest of the letter may not be __8_ at all. Try to key your opening remarks to the needs or interests of the employer not __9_ your own need or desires. For example, instead of beginning with "I saw your _ 10_ in today's newspaper," you might say "I have made a careful _11_ of your advertising during the past six months" or "I have made a survey in my neighborhood to find out how many housewives _12_ your product and why they like it. " Try to _13_ generalities. Be clear about the kind of job for which you are now _14_. College graduates looking for their first positions often ask "What can I _15_ in a letter? Employers want experience-which, naturally, no ___16___ has." The answer is that everything you have ever done is _17_. It is important to write a good strong closing for your letter. _18__ a specific request for an interview or give the possible employer something definite to do or expect. An excellent _ 19_ is to enclose (内附) a stamped, self-addressed envelope with your letter. That makes it _ 20_ for a possible employer to get in touch with you.
( )1. A. clearly ( )2. A. found ( )3. A. sending ( )4. A. brain ( )5. A. probable ( )6. A. While ( )7. A. pay ( )8. A. kept ( )9. A. to ( )10. A. advertisement ( )11. A. watch ( )12. A. change ( )13. A. avoid ( )14. A. losing ( )15. A. offer ( )16. A. worker ( )17. A. success ( )18. A. Make ( )19. A. result ( )20. A. happier	B. carefully B. done B. taking B. sight B. possible B. Although B. win B. continued B. for B. report B. search B. make B. remember B. applying B. supply B. beginner B. development B. Ask B. decision B. easier	C. obviously C. known C. leaving C. order C. likely C. As C. show C. written C. into C. article C. study C. sell C. protect C. preparing C. mean C. owner C. practice C. State C. promise C. cheaper	D. easily D. heard D. picking D. mind D. able D. If D. fix D. read D. from D. introduction D. discussion D. use D. gain D. fitting D. provide D. manager D. experience. D. Get D. idea D. safer