求助几题

jinyan1327

1）For the last 5 years the Dutch economy has grown faster than (Britain ,France,or Germany, with the unnnemployment rate having remained )well below that of the other three countries
我选的是the economy of Britain ,France,or Germany, with the unnnemployment rate that has remained 答案是the economies of Britain ,France,or Germany, with the unnnemployment rate that has remained
2）A migraine typically afflicts one side of the head ,lasts for hours or days, and may recur (as infrequently as once every other month or often ,as )daily
我选的是infrequently, like once every other minth ,or as often as答案是as infrequently as once every other month or as often as
3）The guiding principles of the tax plan released by the Treasury Department could have (even a greater significance for the economy than) the particulars of the plan
我选的是even greater significance for the economy than have答案是even greater significance for the economy than do

sandychen168

第一题，econimies是economy的复数，分指后面三个国家每国的经济，当然要用复数，如果要用economy，则应该是economy of B, of F, or of G.

2,这题里表比较只能用 as ....as  ，不能用like，like是表“像什么东西”，不表比较，频率之类，通常就只用like+名词的结构，表两个个体相像。

3，未划线部分have是动词，而不做助动词，所以划线部分承前省略的时候用do，不用表完成时的助动词have