X线下表现为肺血减少征象可见于下列哪种疾病（）
A.房间隔缺损
B.室间隔缺损
C.动脉导管未闭
D.法洛四联症
E.高血压性心脏病
参考答案：D
I still remember the sitting-room _______ my mother and I used to sit in the evening．
A．what
B．which
C．that
D．when
-Look at the picture! It shows the panda Tai Shanks happy life in the USA.
--Really? Who it?
A. took B. was taking C. had taken D. has taken
