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【判断题】
在奥巴马和特朗普执政时期, FCC对于网络中立性原则的态度是一致的。A.
正确
B.
错误
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举一反三
【简答题】I had just started back for the house to change my clothes ________ I heard voices. A) as B) when C) after D) while
【单选题】电压源和电流源的等效变换公式为:
A.
I S = R 0 × U S
B.
I S =U S /R 0
C.
I S =R 0 +U S
D.
I S =R 0 -U S
【单选题】He left home ______a cold morning, and I heard that he was coming back _____ the late afternoon.
A.
in; on
B.
on; on
C.
in; in
D.
on; in
【单选题】I have heard a lot of good things about you __________I came back from abroad.A.since ##
A.
I have heard a lot of good things about you __________I came back from abroad. A.since
B.
until
C.
before
D.
when
【简答题】I had just started back for the house to change my clothes I heard voices．
【单选题】It’s years since I _______ him last time, and I haven’t written back to him.
A.
heard of
B.
heard out
C.
heard about
D.
heard from
【单选题】下列表达式成立的是
A.
parseInt(12.5)==parseFloat(12.5)
B.
Number("123abc")==parseFloat("123abc")
C.
isNaN("abc")==NaN
D.
typeof NaN=="number"
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