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【多选题】
报到证不慎遗失,补办的程序包括( )
A.
毕业生本人提出申请,所在系加;
B.
凭招生就业处出具的证明和毕业证书原件及登报声明到河北省人事厅办公室补办。
C.
招生就业处出具证明;
D.
在省级以上公开发行的报纸上刊登报到证遗失声明;
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举一反三
【判断题】花键连接的键侧面是工作面,工作时靠键侧面与键槽的挤压传递转矩。
A.
正确
B.
错误
【单选题】Refer to Figure 10-13. If the government imposed acorrective tax that successfully moved the market from the market equilibriumto the social optimum, then tax revenue for the government would amount t...
A.
$1,250.
B.
$1,600.
C.
$2,000.
D.
$2,500.
【判断题】Refer to figure (1) and (2), these two basic solids are assembled to form a simple object shown as figure (3) , 5 dimensions are neede to determine its size. (True or False: 10 Points)
A.
正确
B.
错误
【判断题】单管放大电路是指放大电路中只有一个放大管。
A.
正确
B.
错误
【单选题】已知U=311sin(314t+50°,可求得
A.
U=311V,f=50Hz
B.
U=220V,f=314Hz
C.
U=220V,f=50Hz
D.
U=311V,f=314Hz
【判断题】花键连接的键侧面是工作面,工作时靠键侧面与键槽的挤压传递转短。 ( )
A.
正确
B.
错误
【单选题】Refer to Figure 4-1. What is the equilibrium quantity in this market?
A.
5 units
B.
7.5 units
C.
10 units
D.
The equilibrium quantity cannot be determined from this graph.
【单选题】Refer to Figure 2-1. If this economy devotes all of its resources to the production of clocks, then it will produce
A.
0 clocks and 35 candles.
B.
10 clocks and 25 candles.
C.
16 clocks and 0 candles.
D.
16 clocks and 35 candles.
【单选题】Figure 4-1 Refer to Figure 4-1. What is the equilibrium price in this market?
A.
$0
B.
$5
C.
$7.50
D.
$10
【单选题】已知e1=311sin (314t+120°) V, e2=311sin (314t-120°) V,则e1与e2的相位关系是______
A.
e¹比e²超前240°
B.
e¹比e²超前120°
C.
e¹比e²滞后120°
D.
无固定的相位关系可言
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