题目内容
【题目】Mudanjiang government is going to plant ___ trees around the city to make it greener and more beautiful.
A.thousand
B.thousands of
C.three thousand of
【答案】B
【解析】句意:牡丹江政府要在全城栽数千棵树,使它变得更绿,更美。hundred,thousand,million,billion在句中实指时,前面加数词, hundred, thousand, million, billion用单数,后不加介词of。虚指时,前面不加数词,hundred,thousand,million,billion用复数,后要跟介词of。故选B。
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