-- Is air the lightest thing in the world?-- Not . Scientists from Zh
题型：不详难度：来源：
-- Is air the lightest thing in the world?
-- Not . Scientists from Zhejiang University have just developed the world’s lightest material. |
答案
| A |
解析
| now 现在，既然；yet但是，然而；then那么，然后；again又，再；句意：在世界上空气是最轻的吗？——现在不是了。来自浙江大学的科学家们已经开发出了世界上最轻的材料了。结合语境可知选Ａ。 |
举一反三
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A. brightly B. lightly C. heavily |
Jill didn’t finish the homework, ________.| A．either | B．too | C．also | D．neither |
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-I have finished the task . How about you?
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I was so tired that I could ______walk any farther.| A．hardly | B．nearly | C．really | D．suddenly |
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