题目

-- Are there any books on the desk? ( )--Yes, ________.A. there are B. there’s C. there is 答案:【答案】A【解析】根据问句中的主语是复数可以判断用there are做回答,故选A。直接写出得数. (1)301-199= (2)0.24×300= (3)2.5+0.25= (4)4.8×112= (5)0.3÷6= (6)2÷1100= (7)9.5-9.5×0= (8)1.25×0.7×8=
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