全自动空调的膨胀阀的开度通常由（）控制。
A.日光传感器
B.电磁离合器
C.电磁阀
D.计算机
E.压缩机
F.以上都不正确
参考答案：F
As soon as little Tom had _____ a little from his shock, his first thought was to get away.
A. returned
B. absorbed
C. survived
D. recovered
下列出现的腹痛不是慢性腹痛的疾病是（）。
A.慢性胰腺炎
B.肝脓肿
C.泌尿系结石梗死
D.克罗恩病
E.溃疡性结肠炎
