选词填空。根据短文内容，用方框中所给的单词填空。BothinsidecouldexperimentgrownWhatisthegreenhouse(温室)effect?Haveyoueverbeeninsideagreenhousetheallglassbuild

Question

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.

Answer 1

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