JJG596-2012规程中,交流电压试验电压应在()s内由零升到规定值。
A.1~10
B.2~5
C.5~10
D.10~30
参考答案:C
C51存储模式中LARGE的意义是()。
Lucy didn’t do well in this exam, ______ made her mother quite unhappy.
A.that
B.it
C.which
D.this