refuse 是普通用语，指“坚决、果断或坦率地(不友善地)拒绝”。

reject指“以否定、敌对的态度而当面拒绝(通过抛弃或送走、专横地拒绝)”, 主语可以是人或物，后接名词，不能接动词不定式。

He asked her to go to the movies three times, but each time she rejected him.他三次约她去看电影，但每一次都被拒绝了。

高手过招

用deny/decline/refuse/reject的适当形式填空 (原创)

①The patient’s body the heart transplant.

②She to have lunch with us, saying that she wasn’t feeling well.

③He doesn’t dare to the charges, does he?

答案：①rejected ②declined ③deny

5. cover

vi. (常与with连用)盖;覆盖

vt. 包括;涉及;报道

n. 遮盖物;盖子;罩子 (图书、杂志的)封面

The town covers 5 square miles. 这座小镇占地5平方英里。

I want to cover 100 miles by dark. 我想在天黑之前走完100英里。

The review covered everything we learned last term.

这次复习包括上学期我们所学的全部课程。

常用结构：

be covered with 盖满;覆满;充满(羞惭，慌乱等)

from cover to cover 从头到尾一页不漏

under the cover of 在……掩护下;打着……的幌子

cover up 完全盖住; 盖好

She covered the table with a cloth. 她用一块布把桌子罩起来。

高手过招

单项填空

①The wild flowers looked like a soft orange blanket the desert. (2010•01•四川雅安检测)

A. Covering B. covered

C. Cover D. to cover

②—May I have a talk with one of your sports reporters?

—Sorry, but all of them are out to the main events of the day. (2010•01•吉林通化检测)

Get B. find C. cover D. Search

解析: ①选A。a soft orange blanket与cover之间存在主谓关系，因此要用现在分词作定语，它相当于定语从句which/that covered...而不定式作定语一般表示将要发生的动作，故不能误选D。

②选C。 get得到;让;find找到; cover the events采访事件; search 调查;只有C项符合题意。

重点短语

6. concentrate on

集中;全神贯注于

I can’t concentrate (on my studies) with that noise going on. 吵闹声不绝于耳, 我无法集中精力(于学习)。

We must concentrate our efforts on improving education.

我们必须致力于改进教育工作。

Having failed my French exams, I decided to concentrate on science subjects. 我因法语考试不及格而决心专攻理科。

This firm concentrates on the European market.

这家公司把工作重点集中在欧洲市场。

常用结构：

concentrate one’s mind/attention on (upon)

=fix one’s attention on=focus on=be absorbed in

把注意力集中在

联想拓展

put one’s heart into sth. 全身心地做某事

devote oneself to sth./doing sth. 把自己奉献给……

concentrated adj. 极度的; 紧张的; 浓缩的

concentrated study/hate/effort

紧张的学习/强烈的仇恨/专心致志的努力

concentrated fire 集中的火力

concentrated food 压缩食品

高手过招

完成句子 (原创)

① (集中精力)your study if you want to catch up with the class.

②He (投身于)helping the people in need. He set a good example for us.

答案：①Put your heart into/Concentrate your mind on

②devoted himself to

7. accuse ...of...

因……控告/指责……

I don’t think anyone can accuse him of not being frank.

我看谁也不能说他不坦率。

You can’t accuse Stephen of robbing the bank. He was round at my house all evening.

你不能控告斯蒂芬打劫银行，他整晚都在我家。

易混辨析

accuse/charge

accuse, charge这两个动词都有“控诉，指控”之意，但它们后面所搭配的介词不同。