7. )从总体中随机抽取一定数量的个体单位构成的集合为称（ ）。 A. 样品 B. 样本 C. 观测品 D. 检验品 ...

39. 14 All the key words in the article are printed in ___ type so as to attract readers‘ attention. A. dark B. bold C. dense D. black ...

11. The author of the book _____ that women can live longer than men. A. said B. is saying C. says D. saying ...

16. 英语（下）第一次在线测试题 一 选择题 1. I am sure I can ___ him into letting us stay in the hotel for the night. A. speak B. say C. talk D. tell ...

2. 13 An eager farmer is always looking for new ___ wheat. A. varieties of B. variety of C. variety D. various ...

28. 10 Both sides ____ these terms. A. agreed on B. agreed with C. agreed to D. agreed ...

18. 18 Without proper lessons, you could __ a lot of bad habits when playing the piano. A. keep up B. pick up C. draw up D. catch up ...

9. 25. If children have flu-like symptoms, their parents __________. A. are advised not to give them aspirin B. should watch out for signs of Reye syndrome C. are encouraged to take them to hospital for vaccination D. should prevent th...

1. She ___ that difficult book with no trouble at all. A. thought through B. brought out C. caught up with D. breezed through ...

28. When he appeared at the exit , I ______ his hat first instead of his face in the crowed. A. identified B. indicated C. interpreted D. inherited ...