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【简答题】
以下在企业中发生的经济业务和经济事项，（ ）属于经济事项。
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【简答题】Agile and flexible, dynamic and excellent between the filling style ------- Mercedes-Benz new C-Class sedan 2. C gravity wave with you ------- Mercedes-Benz new C-Class sedan 3. Independence trend eli...
【简答题】British history and culture has begun to take up almost all her attention and energy since she borrowed those books from the library. Since she borrowed those books from the library she __________ in ...
【单选题】Only _______ genuinely interests you can be of any use to you, but you may be pretty sure _____ genuine objective interests will grow up as soon as you have learnt not to be immersed in self.
A.
that … what
B.
which … that
C.
what … that
【单选题】Only what genuinely interests you can be of any use to you, _______ you may be pretty sure that genuine objective interests will grow up as soon as you have learnt not to be immersed in self.
A.
as
B.
so
C.
but
【简答题】如图，在△ABC，∠ACB=90°中，D是BC的中点，DE⊥BC，CE∥AD，若AC=2，CE=4，求四边形ACEB的周长。
【简答题】如图，Rt△ABC中∠ACB=90°，AC=4，BC=3，将△ABC绕AC所在的直线f旋转一周得到一个旋转体，该旋转体的侧面积=（ ） （π取3.14，结果保留两个有效数字）。
【单选题】《铁路旅客运输服务质量规范》规定车站墙壁、玻璃、隔断、护栏等()米以下的部位每日保洁,()米以上的部位及顶、棚等设施定期保洁。
A.
1、2
B.
1、1
C.
2、2
D.
2、1
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