题目内容：

 

1.The government is launching an advertising c___________ (大战) in order to tell people about the danger of drugs.

2.There is e___________ (事实依据) that Beijing Man used fire to cook food.

3.Usually popular science books explain basic p___________ (法则) of nature in a simple and interesting way.

4.The waste gas the factories create goes into the a___________ (大气) and makes us sick.

5.The airport is designed to a___________ (容纳) 80 million passengers a year.