最易发生肺水肿的心脏病类型为（）
A.室间隔缺损
B.房间隔缺损
C.二尖瓣狭窄
D.二尖瓣关闭不全
E.动脉导管未闭
参考答案：C
在分配稀有卫生资源时不应该坚持（）
A.个人实际需要
B.个人之间平均分配
C.个人支付能力
D.个人实际工作能力
E.个人对社会的贡献
—What are you going to do this summer vacation?
—I’m going to start a club to help students _____not interested in schoolwork.
A．who is
B．that is
C．who are
D．which are
