9.The (速度) of light is much faster than that of sound.

8.Father needs a new (电子的) shaver.

7.The boat is tiny and can only carry one (乘客) a time.

6.Our country is (迅速地) moving towards prosperity.

5.I usually (比较) prices of the same brand in different stores.

4.Smokers are well (知道的) of the dangers to their own health.

3. We seem to be in complete (同意) on accepting the contract.

2. The (可能性) of food poisoning has been excluded.

A根据句意及汉语提示完成单词。(10分)

1. Science has determined that the (风险) is very small.

C书面表达。(20分)

  假如你来自火星，现在你正在参观地球，你看到地球和火星有许多区别。请写一篇短文，告诉我们它们的区别。