电子膨胀阀
参考答案：它按电脑预设的程序调节制冷系统中制冷剂的流量，属于电子式调节模式，并具膨胀阀功能。
_______ could be judged from her eyes that she was terribly sorry for what he had done. [ ]
A. As
B. That
C. What
D. It
适应认知类型的教学策略是（）。
A.匹配策略
B.失配策略
C.主动策略
D.被动策略
