问题
选择题
下述说法中正确的是( ) A.布朗运动是液体分子的运动,故分子永不停息地做无规则运动 B.只要人类不断努力,最终会达到热力学零度 C.能量只能从一个物体转移到另一个物体,而不能从一种形式转化为另一种形式 D.尽管机械能可以全部转化成内能,但内能却不能全部转化成机械能,同时不引起其他的变化,这说明机械能和内能的转化过程具有方向性 |
答案
答案:D
下述说法中正确的是( ) A.布朗运动是液体分子的运动,故分子永不停息地做无规则运动 B.只要人类不断努力,最终会达到热力学零度 C.能量只能从一个物体转移到另一个物体,而不能从一种形式转化为另一种形式 D.尽管机械能可以全部转化成内能,但内能却不能全部转化成机械能,同时不引起其他的变化,这说明机械能和内能的转化过程具有方向性 |
答案:D
完形填空。 |
Almost everyone 1 the meanings of Mr, Mrs and Miss. Mr is used before the family names of men. Mrs is for married (结婚的) women and Miss is for unmarried women. But 2 is Ms? Some businessmen (商人) in the United States 3 Ms before a woman's name when they do not know whether (是否) the woman is married. Today, however, many women like Ms better 4 Mrs or Miss. The word " 5 " does not tell us whether or not a man is married. Some women want to be equal to (和......平等) 6 in this way. These women feel that it is not important for people to know whether they are married or not. There are some problems with "Ms", however. 7 women like it. Some like the older ways of doing things. Some find 8 difficult to read. Ms 9 [miz]. Young women like it better than older women do. It is difficult to know whether Ms will be used by more American women in the future. What do you think 10 it? |
( )1. A. knows ( )2. A. how ( )3. A. use to ( )4. A. to ( )5. A. Ms ( )6. A. men ( )7. A. None of ( )8. A. this ( )9. A. sounds like ( )10. A. at | B. know B. what B. using B. for B. Mrs B. girls B. Not all B. that B. read like B. of | C. knew C. who C. uses C. than C. Miss C. ladies C. All C. them C. is sounded like C. on | D. is knowing D. which D. use D. as D. Mr D. boys D. Neither of D. it D. is sound like D. to |