3 . 徽墨产于安徽徽州，由黄山青松烧过的灰与胶水混合后，倒入楠木模具中，上面雕刻着亭台楼阁、宝塔、山川溪流和植物的场景。好的墨水颜色是黑的，有光泽，用它所写的字不会轻易褪色。(汉译英)
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7 . The Sahara desert has a variable temperature, ________ from being extremely hot during the day to freezing cold at night.

A．ranging

B．mixing

C．fading

D．fleeing

8 . 用方框中所给短语的适当形式填空

figure out, be famous for, hunt for, stare out, in an attempt to, make up one’s mind, long to, drop off, hold on, be mixed with

1. We have ________ to carry out the experiment, no matter how great difficulties we may meet.
2. Irene ________ travel to places as far as she could arrive.
3. This beer would taste better if it ________ orange juice.
4. He dived his hand into his pocket ________ find the key.
5. It took them about one month ________ how to start the equipment.
6. To make matters worse, after a truck ________ the goods, it often returns empty to the depot.
7. Given no one to justify it to, the man would ________ the window until he fell asleep.
8. All the information is there, but you have to ________ it.
9. If you can ________ a bit longer, I think help will come.
10. Sydney ________ its Opera House and the Sydney Harbour Bridge.

9 . Sugar, when           with water, dissolve quickly.

A．is mixed

B．mixing

C．mixed

D．mix