1. depress v.使沮丧
The rainy season always depresses me.
雨季总使我沮丧.

v.使萧条
反.boost
When business is depressed, many men lose their positions.
商业萧条时,许多人失业.

2. discourage v.劝阻
We tried to discourage his from climbing the mountain without a guide.
我们设法劝他不要没有向导就去爬山.

v.使气馁
同.depress
Try again! Don't let one failure discourage you.
再试试!不要因一次失败就气馁.

3. dusk n.傍晚
同.twilight
The buildings over there are scarcely visible is the dusk.
傍晚时,那里的建筑几乎看不见.

4. exchange n.交换
同.interchange
Exchange of prisoners during a war is not very common.
战争中交换战俘的情况并不常见.

5. extraordinary adj.惊人的
Eight feet is an extraordinary height for a man.
一个人身高八英尺是惊人的.

6. faint adj.微弱的
She called for help in a faint voice.
她以微弱的身音求助.

7. flash v.闪光
同.sparkle
The lightning flashed across the sky.
闪电划过天空.

8. frost n.霜
adj.frosty Frost has killed several of our young plants.
霜已毁坏了我们好几株幼苗.

9. gleam n.微弱的光
同.flash;beam
A gleam of light shone through the party opend door.
微弱的光线从半开的门里射出来.

10. harness n.马具
The saddle is a part of a horse's harness.
坐鞍是马具的一部分.

v.利用
We can harness water in a river to produce electric power.
我们可以利用河中的水产生电力.

6.2 从刚才背过的单词中选出最适当的填入空格内.(注意时态哟)

1. The scientist is a man of ( ) genius.

2. The young buds on the tree have been damaged by the late ( ).

3. There have been numerous ( ) of views between the two countries.

4. The wet weather ( ) people from going to the sports meeting.

5. I was ( ) after reading the newspaper that was filles with news of accidents.

答案:
extraordinary; frost; exchanges; discouraged; depressed;