一般来说，泵循环调合喷嘴的采用（）。
A、全量循环
B、半量循环
参考答案：A
.My reaction towards my classmates at the party was so cold and emotionless ____ I had never been interested in them.
A．as
B．that
C．as if
D．as to
草坪的娱乐功能
