（Jerry and Mark are in the science museum.）
A：Hi，Jerry. （1）What's thisWhat's this ？It looks interesting.There are dragons and toads（蟾蜍）on it.
B：Oh，it's a great invention of ancient China.
A：Really？（2）When was it inventedWhen was it invented ？
B：It was invented in the Han Dynasty.
A：（3）Who was it invented byWho was it invented by ？
B：It was invented by Zhang Heng.
A：（4）What was it used forWhat was it used for ？
B：Guess!
A：Is it used for holding water？
B：No，it is used for testing earthquakes.
A：Testing earthquakes？That sounds amazing!Let's go and find more inventions.
B：（5）OK，let's goOK，let's go.
【考點(diǎn)】介紹．
【答案】What's this；When was it invented；Who was it invented by；What was it used for；OK，let's go
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/6/27 10:35:59組卷：9引用：1難度：0.6