本期重点单词阐述：

句子的意思是：如果冲突以后能回家反省一下自己是好事情。

in that 因为 conflict n. 冲突 relative merits 相比较而言的优点 so that 以至于。

optimistic adj. 乐观的； pessimistic adj. 悲观的； be optimistic about 对…持乐观态度。

optional adj. 随意的，任选的，非强制性的； optional courses 选修课；

outstanding adj. 卓越的，杰出的； obvious adj. 明显的。

wish后加的句子一定要用虚拟语气。

与现在事实相反，wish后的句子经常用一般过去时来体现虚拟语气。

be critical of 对...爱挑剔的，批评。

within reach 够得着； out of reach 够不着； burst 爆发，迸发；

burst可以与很多词语搭配表示突然发作：

1 能与人的情绪（喜、怒、哀、乐）搭配； 2 能与掌声、笑声搭配。

本期练习题:(请仔细看过上面单词解释再做)

1.Although many people view conflict as bad, conflict is sometimes useful __ it forces people to test relative merits of their attitudes and behaviors.
A by which B to which C in that D so that

2. He is __ about his chances of winning a gold medal in the Olympics next year.
A optimistic B optional C outstanding D obvious

3. Sometimes I wish I __ in a different time and a different place.
A be living B were living C would live D would have lived

4. The director was critical __ the way we were doing the work.
A at B in C of D with

5. In a sudden __ of anger, the man tore up everything within reach.
A attack B burst C split D blast

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