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29.  cover (v.) 覆盖 

Three-fourths of the earth’s surface is covered with water. 地球3/4的表面被水覆盖。

Is the word covered in the dictionary? 这个单词被收入这本词典里吗?(cover表“收入”)

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28.  course (n.) 过程;课程  in the course of … 在…的过程中

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27.  correct (v.) 改正 (adj.) 正确的

反义词:incorrect (adj.) 不正确的  What he said was incorrect.

词性转换:uncorrected (adj.) 未被改正的  There are still some uncorrected mistakes.

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26.  corner (n.) 角落  in/at/around the corner

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25.  continue (v.) 继续

词性转换:continuous (adj.) 持续(不中断)的"continuously (adv.)

continual (adv.) 连续的, 频繁(间断)的"continually (adv.)

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24.  convenient (adj.) 方便的

impossible, important, convenient, necessary 的结构  It’s … for sb. to do sth.

                       sb. find it … to do sth.

It’s convenient for sb. to do sth. 对于某人来说做某事时方便的

词性转换:convenience (n.) 便利

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23.  contest (n.) 竞赛

辨析:context (n.) 上下文

    contact (v.) 与…接触,联系 For more information, please contact….

    contact sb. at … 用(某号码)联系某人

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22.  conductor (n.) 售票员,指挥"conduct (v.) 执行

conduct the experiment 做实验

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21.  cold (adj.) 冷的

It’s freezing cold today. 今天好冷啊!

It’s burning hot today. 今天好热啊!

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20.  coincidence (n.) 巧合,偶遇"What a coincidence!(=What a small world!) 多巧啊!

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