在发动机与手动变速箱安装的是（）。
参考答案：离合器
B．英国物理学家法拉第
C．美国科学家爱迪生
D．意大利化学和物理学家伏特
The teapot ______ for keeping tea hot after it ______.[ ]
A. was using; was made
B. was used; was made
C. using; is making
D. uses; makes
