_______(47)A.The ray penetrated every one of them

外语类 已帮助 人

_______(47)

A.The ray penetrated every one of them except the key

B.She was very surprised by this request

C.how then could any ray penetrate

D.It was a great invention

E.Other uses came later

F. Doctors quickly saw how this could be used

热搜:关于氨基酸代谢错误的论述是_________。

答案解析

难度★★☆ 搜索
  • 答案:A

    前一句“在纸和灯之间,他放置了各种不同的物体,一本书、一包卡片、一块木头和一把门钥匙”是实验的步骤方法,该句“射线穿透了除钥匙以外的每一件物体”是实验的结果。