【简答题】22 The government should pay attention to the female smokers. The government is not likely to pass the bill soon. The government can achieve its goal quickly. The government is not powerful enough to ...
【单选题】政府要在附近建一个新的购物中心。
A.
The government is going to put up a new shopping center.
B.
The government is going to put up a center in the neighborhood.
C.
The government put up a new shopping center in the neighborhood.
D.
The government is going to put up a new shopping center in the neighborhood.
【单选题】无限大电源系统及其近似计算等值电路如图所示(以100MVA为容量基准,平均额定电压为电压基准)。电源到短路点之间的转移电抗为( ),短路电流标幺值为( ),短路电流有名值为( )。
【简答题】(5分)2011年9月29日2l时“天宫一号”目标飞行器在酒泉卫星发射中心发射,它是中国首个空间实验室,将分别与神舟八号、神舟九号、神舟十号飞船对接,从而建立第空间实验室。其结构主要包括外部壳体、实验舱、资源舱、燃料燃烧系统、对接机构和太阳能电板等,制作材料有铝、耐高温的石墨瓦、不锈钢、钛、镍和铜等等。试回答下列问题: (1)铝、不锈钢属于___________材料: (2)“天宫一号”的...
【单选题】政府要在附近建一个新的购物中心。
A.
The government is going to put up a new shopping center in the neighborhood .
B.
The government is going to put on a new shopping center in the neighborhood.
C.
The government is going to put off a new shopping center in the neighborhood.
D.
The government is going to turn up a new shopping center in the neighborhood.
【单选题】无限大电源系统及其近似计算等值电路如图所示(以100MVA为容量基准,平均额定电压为电压基准)。电源到短路点之间的转移电抗为( ),短路电流标幺值为( ),短路电流有名值为( )。