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【简答题】
什么是经济特区?促进对外贸易发展的经济特区措施有哪些?
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皮皮学刷刷变学霸
举一反三
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A.
subject
B.
title
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topic
D.
theme
【简答题】弹性力学的基本假定为 、 、 、 。
【单选题】Do you know when the basketball_________?
A.
is invented
B.
was invented
C.
has invented
D.
had invented
【单选题】—Do you know when the plane will _____? —Sorry, I don't know. [ ]
A.
take off
B.
take away
C.
take out
D.
take after
【单选题】听力原文：Do you know when the store closes? (A) By Friday, I believe. (B) On weekends, mostly. (C) At 8, usually. (25)
A.
B.
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