自动变速器的正常工作温度是（）。
A.50～80℃
B.80～100℃
C.20～40℃
参考答案：A
______ surprise us most is that she doesn’t even know ______ the difference between the two lies.
A．What; where
B．All; which
C．What; that
D．That; where
电动镜头数字放映机每个放影通道里面必须包含镜头文件和银幕文件.（）
