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【判断题】
静电场的环路积分 ,表明静电场是非保守场,可以引入电势的概念。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Use the touch screen____your seat and check in within minutes.
A.
to choose
B.
chose
C.
chosen
D.
for choose
【简答题】I do a lot of hiking.And I can step out of my house and within minutes reach a beautiful forest where I walk for exercise every day.I see many photography subjects such as parrots，snakes，hares，big tre...
【简答题】It is possible to judge your levels of i and competence within minutes
【简答题】Young ___________John was, he was able to swim across the channel within minutes. A.as B.so C.though D.although
【单选题】Use the touch screen_ your sest and check in within minutes.
A.
.to choose
B.
choose
C.
chosen
D.
for choose
【单选题】The fire department and the police to the call within minutes.
A.
respond
B.
responder
C.
response
D.
responding
【单选题】Within minutes following a bee sting, a 37-year-old man develops marked respiratory stridor with dyspnea and wheezing. He also develops swelling and erythema seen in his arms and legs. An injection of...
A.
Bradykinin
B.
Complement C5a
C.
Nitric oxide
D.
Tumor necrosis factor
E.
Histamine
【单选题】Within minutes, ___ jubilant Chinese poured into the street.
A.
ten thousands
B.
ten thousands of
C.
tens of thousands of
D.
tens of thousand of
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