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【单选题】
电流 I、电压 U和电动势 E 是电路的基本物理量,它们既有大小也有方向。电压和电流的方向有实际方向和参考方向之分。电流的实际方向为( )。A.
由高电位端指向低电位端
B.
由低电位端指向高电位端
C.
正电荷运动的方向
D.
负电荷运动的方向
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反馈参考答案：
举一反三
【简答题】每箱露露24瓶，每瓶2.5元．如果购买2箱，需要多少钱？
【单选题】-How about going to dinner at the Mexican restaurant tonight? - _
A.
Forget it.
B.
Sorry, I like Mexican food.
C.
That’s great!
D.
Glad you like it.
【单选题】The mobile phone he bought yesterday is the same _________ mine.
A.
as
B.
than
C.
to
D.
over
【简答题】每箱“露露”饮料的质量是7.4kg，箱子的规格为“33×22×14”，将10箱平放在地上的“露露”饮料叠放起来．至少要做______J的功（g取10N/kg）．
【单选题】Speaker A: What shall we do this weekend? Speaker B: How about going to London on Saturday? There's a good exhibition on at the Royal Academy. Speaker A: ______. Shall we get the coach or the train?
A.
I'd like to say yes but it's just not possible
B.
I'd rather go to another place
C.
OK, that's a good idea
D.
I can't make it Saturday
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