问题
单项选择题
安装工程保险承保风险主要是（）。
A、自然风险
B、特种风险
C、一般风险
D、人为风险
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
安装工程保险承保风险主要是（）。
A、自然风险
B、特种风险
C、一般风险
D、人为风险
参考答案：D
| 选词填空。 | |
根据短文内容，用方框中所给的单词填空。
| |
| What is the greenhouse(温室)effect? Have you ever been inside agreenhouse, the allglass building where plants are 1 ?It's very warm, because the glass walls allow the sun's rays(光线)in but keep the heat from getting out. Think of the earth as being 2 a large green-house. The gases act like a greenhouse's glass walls-they keep the heat from getting out into space,and the earth stays warm. Try,this easy 3 :Take two jars (大口瓶) and put a teaspoon of water in each jar. Put a lid (盖子) on just one jar. Place __4 jars in a aunny place. After a few hours,check on the jars. You'll see that the open jar hasn't changed,but the closed jar will be hot inside. What happened? The heat from the sun 5 not get out from the closed jar. |