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【单选题】
When I talked about the thing，I felt Jane watching me uncomfortably，looking________ she wished to speak.
A.
as though
B.
even though
C.
so that
D.
in case
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高斯面上的场强由高斯面内的电荷决定
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【多选题】关于静电场的高斯定理，下列说法正确的是【图片】
A.
说明静电场是有源场
B.
高斯面上的场强由高斯面内的电荷决定
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