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【单选题】
下列材料中属于功能高分子材料的是 [ ] ①高分子膜 ②生物高分子材料 ③隐身材料 ④液晶高分子材料 ⑤光敏高分子材料 ⑥智能高分子材料A.
①②⑤
B.
②④⑤⑥
C.
③④⑤
D.
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皮皮学刷刷变学霸
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【简答题】在施工成本计划中，（ ）是选派项目经理阶段的预算成本计划，并且是项目经理的责任成本目标。
【简答题】阅读理解。 The moon travels around the earth. The moon does this because gravity pulls it. Gravity is the pulling action of large objects such as planets and stars. Most nights, the moon is the brightest t...
【单选题】From the book, my brother learned that the moon around the earth.
A.
is moving
B.
moved
C.
moves
D.
has moved
【单选题】The exciting news has spread all over the world______the satellite around the moon succeeded in returning to the earth.
A.
which
B.
that
C.
whether
D.
what
【单选题】Gravitation keeps the Moon orbiting around the Earth.
A.
pulling
B.
drawing
C.
moving
D.
missing
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