选词填空。根据短文内容,用方框中所给的单词填空。Both, inside, could, experiment, grownWhat is the greenhouse(温室)effect? Have

题目简介

选词填空。根据短文内容,用方框中所给的单词填空。Both, inside, could, experiment, grownWhat is the greenhouse(温室)effect? Have

题目详情

选词填空。
根据短文内容,用方框中所给的单词填空。
Both, inside, could, experiment, grown
    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.
题型:填空题难度:中档来源:同步题

答案

1. grown   2. inside   3. experiment   4. both   5. could

更多内容推荐