用代入法解方程组y=2x-33x+2y=8时，将方程①代入②中，所得的方程正确的

They can’t go out        the strong wind.

A．because

B．since

C．as

D．because of

We often think of the days ___we spent together on the island.

A．when

B．which

C．in which

D．during which

议程设置功能理论的意义和不足？

检修停车反应器应升温。

三洋空调采用（）冷媒。