在一定温度下汽油从液态变为气态的性质叫（）。
A.热值
B.抗爆性
C.蒸发性
参考答案：C
根据句意及提示,写出句中所缺单词。
1. __________ (可惜),he didn't survive in the earthquake.
2. The birds in Zhalong can ___________(不费力地) catch many fish for food.
3. The Chinese ________________(政府)wants to protect these endangered birds.
4. Many wild animals are in danger because of the ________(丧失) of living areas.
5. The zookeeper told us not to _____________ (吓唬) the birds.
项目立项是( )的标志。
A．项目准备
B．项目决策
C．招标开始
D．项目实施
3. The Chinese ________________(政府)wants to protect these endangered birds.