网址:http://m.1010jiajiao.com/timu3_id_3245877[举报]
(1)Look up the reference books and fill in the form.(查阅资料,填一填)
(2)Tell stories about the inventions above to your parents.(将上面的发明故事讲给父母听)
听录音填空
1.Look at the light. It's .
2.Look at the light. It's .
3.Look at the light. It's .
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