________ man in the crowd raised his hand. A. All B. Each C. Every D. Both 题目解析 考查代词的用法.此句意思是:人群中的每个人都抬起了头.all表示“三者及三者以上都……”:both表示“两者都”:every表示“三者及以上人或事物中的每一个”,each表示“两个或以上人或事物中的每一个”,这两个词都与单数名词连用.但是every指许多人或物中的“每个”,侧重于全体,相当于all的含义.原句中的his体现出强调个…
Problem Description Mrs. Deli is running the delicatessen store "Deli Deli". Last year Mrs. Deli has decided to expand her business and build up an online store. She has hired a programmer who has implemented the online store. Recently some of h…
Hawking became world-famous in ________. A. his thirties in the 1970's B. the thirties in his 1970 C. his 30s in 1970's D. the thirties during the 1970 题目解析 考查数词表示时间的用法.此句意思是:二十世纪七十年代,也就是霍金三十多岁时他出名了.“在哪个世纪哪个年代”用in+the+年份s或年份's来表示,年份后加s或's,表示“十年时间…