电动液压转辙机优点很多,但也存在缺点,其中容易出现的缺点是下列哪()项。
A、容易过载
B、启动慢
C、油漏泄
D、传动不平衡
参考答案:C
数学小组的同学们用一根78厘米长的铁丝围成一个长方形框架要使长与宽的比是10:3,你能求出这个长方形的面积吗?
— More and more people in Beijing are learning English _____ they can better serve the 2008 Olympic Games.
— I'm sure they will. [ ]
A. because of
B. so that
C. even though
D. as if