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【单选题】
Natalie is a girl working for() at 10 Downing Street.A.
Prime Minister
B.
President
C.
Chairman
D.
Chancellor
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【简答题】质量为 的小球与轻弹簧组成的系统,按 的规律作谐振动,求: (1)振动的周期、振幅和初位相及速度与加速度的最大值; (2)最大的回复力、振动能量、平均动能和平均势能,在哪些位置上动能与势能相等? (3) 与 两个时刻的位相差;
【简答题】用所给单词的正确形式填空 。 1. The Blacks would like to stay in an (expensive) hotel to save money. 2. They are going to an (excite) place. 3.I don't think it's a good idea to travel there. It's too (tour) there. ...
【单选题】下列各选项中，属于在结账时，应当划通栏双红线的是（）。
A.
12月末结出全年累计发生额后
B.
各月末结出本年累计发生额后
C.
结出本季累计发生额后
D.
结出当月发生额后
【简答题】根据句意和首字母提示填空，完成下列句子。 1. The car is worth m_______ of dollars. 2. His uncle is carrying out a r_______ on the cause of cancer. 3. Don't draw on the p_______ walls. 4. You don't understand me in the s__...
【简答题】在VB.NET中整型变量的类型符是 。 答案一:$ 答案二:! 答案三:# 答案四:%A. 答案一B. 答案二C. 答案三D. 答案四
【简答题】根据光子理论 。则光的速度为 答案1: 答案2: 答案3: 答案4:A. 答案1B. 答案2C. 答案3D. 答案4
【单选题】After inventing dynamites, Swedish-born Alfred Nobel became a very rich man. However, he foresaw its universally destructive powers too late. Nobel preferred not to be remembered as the inventor of dy...
A.
2.
B.
5.
C.
6.
D.
10.
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