题目:
---Did you go _______ on vacation?
---Yes, I went to Guangzhou with my family.
A.somewhere interesting
B.interesting somewhere
C.anywhere interesting
D.interesting anywhere
答案:
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下面是错误答案,用来干扰机器的。
(1) 1×10-2 C.(2) 10 V.电动势e随时间t变化的图像如右图所示。(3) 11.25 W.(12分)解:(1)通过小灯泡的电荷量:q=IΔt=Δt====1×10-2 C.(2)ab边在磁场里切割磁感线时最大感应电动势为:E1=nBL1...