题目

乳腺癌是女性发病率最高的恶性肿瘤，BRCA1和BRCA2两个基因突变与发病率关系最为密切。下列相关叙述错误的是 A．BRCA1和BRCA2可能为抑癌基因 B．肝脏细胞中不存在BRCA1和BRCA2基因 C．乳腺细胞癌变后形态结构会发生显著变化 D．紫外线、亚硝胺等因素会增加罹患乳腺癌的可能 答案：BI often read of incidents of misunderstanding or conflict. I’m left 　11 . Why do these people create mistrust and problems, especially with those from other 　12 ?I was growing up in Kuala Lumpur in the early 1960s, 13 children from different races and religions played and studied 　14 in harmony. At that time my family lived a stone’s 　15 from Ismail’s. And no one was bothered that Ismail was a Malay Muslim and I was an Indian Hindu—we just 　16 our differences. Perhaps, our elders had not filled our heads with unnecessary advice, well 　17 or otherwise. We were nine when we became friends. During the school holidays, we’d 　18 the countryside on our bicycles, hoping to 　19 the unexpected. At times Ismail would accompany my family as we made a rare shopping trip to town. We would be glad of his 　20 . When I was twelve, my family moved to Johor. Ismail’s family later returned to their village, and I 　21 touch with him. One spring afternoon in 1983, I stopped a taxi in Kuala Lumpur. I 　22 my destination. The driver acknowledged my 　23 but did not move off. Instead, he looked 　24 at me. “Raddar?” he said, using my childhood nickname. I was astonished at being so 　25 addressed (称呼). Unexpectedly! It was Ismail! Even after two 　26 we still recognized each other. Grasping his shoulder, I felt a true affection, something 　27 to describe. If we can allow our children to be 　28 without prejudice, they’ll build friendships with people, regardless of race or religion, who will be 　29 their side through thick and thin. On such friendships are societies built and 　30 we can truly be, as William Shakespeare once wrote,“we happy few, we band of brothers”. 11. A. interested　 　　 B. pleased　　　 　　　 C. puzzled　 　　　 D. excited12. A. parties　 　　 B. cities　 　　　　　 C. villages　 　　　　 D. races13. A. why　 　　　　 B. which　 　　　　　 C. how　 　　　　　 D. when14. A. together　 　　 B. around　　　　 　　 C. alone　 　　　　　 D. apart15. A. drop　 　　　 B. throw　 　　　　　 C. move　 　　　　　 D. roll16. A. refused　 　　 B. made　 　　　　　　 C. sought　 　　　　 D. accepted17. A. paid　 　　　 B. meant　　　　 　　 C. preserved　 　　　 D. treated18. A. explore　 　　 B. search　　　　 　　 C. discover　 　　　 D. desert19. A. get through　 　 B. deal with　　　 　　 C. come across 　　 D. take away20. A. arrival　 　　　 B. choice　 　　　　　 C. effort　 　　　　　 D. company21. A. lost　 　　　 B. gained　 　　　　　 C. developed 　　　　 D. missed22. A. stated 　　　　 B. ordered 　　　　　 C. decided　 　　　　 D. chose23. A. attempts　 　　 B. instructions　　 　　 C. opinions　 　　　　 D. arrangements24. A. anxiously　 　　 B. carelessly　　　 　　 C. disappointedly 　　 D. fixedly25. A. familiarly　 　　 B. strangely　　　 　　 C. fully　 　　　　　　 D. coldly26. A. departures 　　　　　 B. months　　　　 　　 C. years 　　　　　　 D. decades。27. A. possible　 　　　　　 B. funny　　　　　 　 C. hard　 　　　　　　　　　　 D. clear28. A. them　 　　　　 B. themselves　　 　　 C. us 　　　　　　 D. ourselves29. A. from　 　　　 B. by　 　　　　　　　 C. with　 　　　　　　 D. against30. A. still　 　　　　 B. otherwise　 　　　 C. then　 　　　　　　 D. instead