题目

如图所示电路中,当开关S1、S2均闭合后,则( ) A.L1、L2都能发光 B.L1、L2都不能发光 C.L1能发光,L2不能发光 D.L1不能发光,L2能发光 答案:BDorothy Brown was very happy as she sat in the theatre listening to the music. Today her little daughter, Lauren was giving her   1   concert. She had been   2   for this   3   for years. “Now it is here at last!” she thought, “How beautiful her   4   is!” The song made her   5   to the days when she was Lauren's   6  . As a young   7  , Dorothy wanted to be a concert singer. She studied music in France, Italy and in the United States. “You   8   become a fine   9   in the future, ” her teachers told her, “but you must be prepared to study hard and work for many years. There will be no time for anything   10   music in your life. ” Dorothy was   11   at that time and she was   12   that music was   13   she wanted or needed to   14   her life. For almost a year Dorothy   15   of nothing else. Then she met with David, a young engineer travelling Europe. They soon fell in   16  . David asked her to be his   17  . Dorothy also wanted to marry David. But she loved   18  , too. She didn’t know   19   to do. David was against her being a singer. He said, “If you want to be a concert singer, you must forget about getting married. You can’t   20   do both. ” Thus her days were gone and would never return. Now Lauren became a singer instead of her, which was her hope. 1. A. pleasant       B. success        C. first       D. last 2. A. waiting       B. ready       C. looking         D. cared 3. A. singer          B. night       C. song           D. moment 4. A. voice             B. face         C. dress          D. life 5. A. think          B. again           C. go back         D. remember 6. A. age            B. times       C. mother         D. parent 7. A. musician        B. pop star              C. lady         D. girl 8. A. can              B. have to        C. must       D. should 9. A. student           B. professor           C. singer        D. dancer 10. A. but                B. but for             C. except for        D. besides 11. A. eight           B. eighteen       C. eighty          D. eighty-eight 12. A. think           B. certainly       C. thought       D. sure 13. A. that            B. all          C. only            D. it 14. A. fill              B. live           C. lead          D. take 15. A. heard           B. knew       C. talked        D. thought 16. A. love            B. water            C. a river        D. touch 17. A. assistant       B. teacher        C. wife         D. girlfriend 18. A. him             B. another man      C. herself        D. music 19. A. what          B. how         C. why         D. when 20. A. certainly        B. possible       C. only         D. mainly  
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