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【简答题】
影响金属材料热容的主要因素?
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举一反三
【单选题】—The light in his office is still on. Do you know ? —In order to prepare for tomorrow’s meeting.
A.
if he works hard
B.
why he stays up so late
C.
that he is so busy
D.
when he will stop working
【单选题】测量学与地图学统称为( )。
A.
测图学
B.
绘图学
C.
测地学
D.
测绘学
【简答题】听力原文:F: We need to get some details done first. You need to fill in a standard application form. and then we can register you. Most companies will want computer experience, so you'd better put down th...
【简答题】MOSFET的漏极伏安特性中的三个区域与GTR共发射极接法时的输出特性中的三个区域有对应关系,其中前者的截止区对应后者的()、前者的饱和区对应后者的()、前者的非饱和区对应后者的()。
【单选题】当一项长期投资的净现值大于零时,下列说法中不正确的是( )。
A.
该方案可投资
B.
该方案未来报酬的总现值小于初始投资的现值
C.
该方案的内部报酬率大于其资本成本
D.
该方案的净现值率大于零
【多选题】下列有权签发进出口许可证的机构是:
A.
商务部配额许可证事务局
B.
商务部驻各地特派员办事处
C.
省、自治区、直辖市的商务主管部门
D.
各省、自治区、直辖市、计划单列市以及商务部授权的其他省会城市商务厅、外经贸委
【单选题】不属于电磁波的物质是:()。
A.
X或γ射线
B.
光波和热
C.
红外线和紫外线
D.
超声波
E.
无线电波
【单选题】X射线 [ ]
A.
不是电磁波
B.
具有反射和折射的特性
C.
只能在介质中传播
D.
不能发生干涉和衍射
【单选题】In order to prepare herself for a more satisfactory job, the writer ______.
A.
has taken part in a special business program
B.
tries to get the professors' high praises
C.
has worked much harder on her job
D.
has to prove herself to be efficient
【单选题】In order to prepare herself for a more satisfactory job, the writer______.
A.
has taken part in a special business program
B.
tries to get the professors' high praises
C.
has worked much harder on her job
D.
bas to prove herself to be efficient
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