考点演练
一、根据首字母和句意写出所缺单词。
1. Don’t worry. The present situation isn’t out of c______.
2. The i______ spent much of their time developing a new type of solar panel.
3. — Why do so many Canadian companies want him to work for them?
— He can speak both English and French. It’s certainly his a______.
4. The Earth is becoming more and more polluted because of the rapid i______ in population.

1. control 2. inventors 3. advantage 4. increase

二、用方框中所给词的适当形式完成句子。

1. Pollution is just one of the ______ of living in the town.
2. Papermaking is one of the four great ______ from ancient China.
3. The pilot succeeded in ______ the spinning spacecraft in just half an hour.
4. Yesterday, the price of oil ______ again.

1. disadvantages 2. inventions 3. controlling 4. increased