根据句意完成句子  (共20空 ，记10分)

1. Without a good knowledge of vocabulary, many a student ______ _______ _______ English. (学英语有困难)

2. Parents _______ _______ _______ _______ _______ a qualified teacher was to have a profound effect on the children in their life.  (想当然)

3. You’d better ______ ____ _______ ____ (留意)the advertisement since you are looking for a job.

4. It is likely that some students during the free periods _______ _______ _______ _______ all the time.    (假装学习)

5. ________ ________ ________ ________ the number of the students appreciates reading China Daily will be on the increase. (有可能)

根据《中华人民共和国土地管理法》，征收耕地时，每一个需要安置的农业人口的安置补助费标准，为该耕地被征收( )。

A．前5年平均年产值的6至10倍

B．前3年平均年产值的6至10倍

C．前5年平均年产值的4至6倍

D．前3年平均年产值的4至6倍