she is---than her sistera.less richer b.not much rich c.less rich d.no rich

2.Lesson Five is ---than Lesson Four
a. a bit instructive b.a bit more instructive
c.more instructive a bit d.more a bit instructive
3.----many people praised him because he had made---repid progress in his studies
a.so,so bsuch,such c.so,such dsuch,so
4Jane is -----than I
a.a head shorter b.taller a head c.shorter a head d.a head tall
请说明理由,谢谢

1A
rich是单音节形容词,其比较级为richer,而不是less rich,more要和多音节形容词连用构成比较级;句中有than,前面应用比较级,less用来修饰比较级,故不能选其他,要选a。

2b
a bit more 表示“多一点”a bit作为程度的副词修饰more,放前面的

那么根据意思第五课比第四课相对更有一点点 instructive,c就没有b好了

3C
so 可与表示数量的形容词many,few,much, little连用,形成固定搭配。

那so和such的具体区别
参考:http://zhidao.baidu.com/question/279985226.html

4A
固定用法,矮一个头,比较级加er
类似用法有……a year older……大一岁
所以题目做多了,这类题就不难了
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