问题
单项选择题 A1型题
辐射诱发肿瘤是（）。
A.随机性效应
B.确定性效应
C.致死效应
D.非致死效应
E.遗传效应
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
辐射诱发肿瘤是（）。
A.随机性效应
B.确定性效应
C.致死效应
D.非致死效应
E.遗传效应
参考答案：A
完形填空（共20小题；每小题1.5分，满分30分） 阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 Today we had an American family, the Robinsons, for Sunday dinner. Mr. Robinson is my mother’s co-worker. Mr. and Mrs. Robinson and their two young came at about 6:00 PM. Mrs. Robinson gave Mum a bunch of fresh flowers, color,freshness and their good will. Mum did the and it was left to ourselves to get to know each other. I soon on well with the two girls Judy and Annie. Mrs. Robinson was much than her husband. There was a moment of embarrassment when Granny asked about her . Mum was about to apologize Mrs. Robinson laughed and said it was quite all right and that she had been in long enough to know it was the Chinese custom. She told us that she was 32, though her husband was 52. And of course they entirely the dinner. Like a perfect Chinese hostess, Mum and especially Granny stuffing(填) them with food and urging them to eat and to drink, apologizing all the time that it’s a homely meal. , Mrs. Robinson said to Mum, “In the West any hostess would be proud of such a feast instead of apologizing for it, and we don’t urge the guests to eat or drink. so many good things before me, I certainly don’t need any urging. The problem is how to prevent overeating owing to your keeping putting food into my bowl.” We all laughter at that. When they to leave, they thanked us not only for the excellent dinner, but for giving them such a nice . Besides, they insisted on giving every one of us a hug and a , which did embarrass me. But I think Granny was really when they kissed her. It’s surprising how a little good will on both sides can language and cultural barriers.
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