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【简答题】
电路连接方法有两种:()和()。串联的灯泡只能一齐亮或灭,并联的灯泡可以分别亮或灭。我们家里的照明电路通常是用()的方法连接的。相同材料下,并联比串联的电路要亮。
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参考答案:
举一反三
【单选题】Mary set up an organization to help us with the study.
A.
操作员
B.
组织
C.
经营者
【单选题】关于正常妊娠的生理改变,下列正确的是
A.
皮质醇降低
B.
醛固酮降低
C.
甲状腺激素降低
D.
血浆蛋白降低
E.
促性腺激素增加
【单选题】Mary and Joan quarreled, but they          after a while.
A.
put up
B.
brought up
C.
made up
D.
set up
【单选题】Mary set up an organization to help us with the study.
A.
组织
B.
经营者
C.
操作员
【单选题】FX系列PLC中16位乘法指令应用是()
A.
DADD
B.
ADD
C.
MUL
D.
DMUL
【单选题】Mary has _______ a difficult question to me.
A.
put
B.
asked
C.
made up
D.
set
【单选题】What does Mary Unger say she will do?
A.
Set up the equipment by herself
B.
Arrive 30 minutes early on Thursday
C.
Make copies of her presentation materials
D.
E-mail the presentation schedule later that day
【单选题】正常妊娠血液循环系统的生理改变是
A.
血浆蛋白含量降低
B.
血沉减慢
C.
红细胞总数减少
D.
纤维蛋白原含量降低
E.
白细胞总数减少
【单选题】FX系列PLC中16位乘法指令应用()。
A.
DADD
B.
ADD
C.
MUL
D.
DMUL
【单选题】______ that Mary was able to set up new branches everywhere. [    ]
A.
So successful her business was
B.
So successful was her business
C.
So her business was successful
D.
So was her successful business
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