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【单选题】
“两弹一星”事业的成功是我国科技发展的重要标志。“两弹一星”指的是（）。A.
核弹、导弹、人造卫星
B.
原子弹、氢弹、人造卫星
C.
导弹、氢弹、人造卫星
D.
导弹、氢弹、宇宙飞船
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皮皮学刷刷变学霸
举一反三
【简答题】连线。 ①2+7-3 ②10-6+3 ③6+4-2 ④10-3-1 ⑤1+6+0 6 7 8
【简答题】选择性激动β2受体的药物是（ ）
【单选题】The university offers a new, more flexible program allowing students to pursue their interests.
A.
gerund
B.
present participle
C.
/
D.
/
【简答题】Economic growth did not make it more flexible for the home economy to obtain the new goods and services because ________. A) the family was not efficient in production B) it was illegal for the home e...
【单选题】The courts were asked to a more flexible approach toyoung offenders.
A.
held up
B.
suffers
C.
positioned
D.
adopt
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