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【单选题】
已知一段电路消耗的电功率为10W， 该段电路两端的电压为5V,则通过该段电路的电流为( )A。A.
10
B.
2
C.
5
D.
2.5
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举一反三
【简答题】用所给词的正确形式填空。 ( talk, help, read, cost, keep, change, do, visit, go, sit) 1. ________ it ________ much to live here? 2. The teacher looked at the clean classroom and said we ________ a good job. 3. The...
【单选题】Select the correctly punctuated sentence.
A.
a)The children's books were all left in the following places: Mrs Smith's room, Mr Powell's office and the caretaker's cupboard.
B.
b)The children's books were all left in the following places; Mrs Smith's room, Mr Powell's office and the caretaker's cupboard.
C.
c)The childrens books were all left in the following places: Mrs Smiths room, Mr Powells office and the caretakers cupboard.
D.
d)The children's books were all left in the following places, Mrs Smith's room, Mr Powell's office and the caretaker's cupboard.
【单选题】Hostility to Gypsies has existed almost from the time they first appeared in Europe in the 14th century. The origins of the Gypsies, with little written history, were shrouded in mystery. What is know...
A.
are engaged in traditional crafts
B.
call themselves Roma
C.
live under a clan system
D.
face external threats
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