电流表指针在3A～5A或10A以上指针不动，表明（）电路（）。
A.高压
B.低压
C.断路
D.短路
参考答案：B, D
Your birthday is drawing near. What present _________ for you?
A．you expect your mother has got
B．you expect has your mother got
C．do you expect your mother has got
D．do you expect has your mother got
34. I can’t thank you ______ much because without your help I ______ have won the first prize.
A．too; wouldn’t
B．very; shouldn’t
C．that; might not
D．so; couldn’t
