----What did you see on the large farm last Sunday? ----Oh, I saw about three ________ hens and _________ of eggs. A. hundred; hundreds B. hundreds; thousands C. thousands; thousand D. hundred; thousand 答案:A 【解析】 试题分析:句意:上周日你在大农场看到什么了?哦,我看见了两百只母鸡和数百个鸡蛋。数词前如果有确定的数量时,数词单位不加s,不加of,反之加s,加of,故选A
下列四个电路图中与右边实物图相对应的是( ) A. B C D