防喘活门的作用是（）。
A.防止两级离心式压气机喘振
B.防止负载压气机喘振
C.防止飞机主发动机喘振
D.防止APU燃烧室熄火
参考答案：B
— Does your wife like tea?
— Well, she doesn't really____tea; she likes coffee better. [ ]
A. care for
B. care
C. care about
D. care of
海难救助
