下述疾病中不表现为劳力性呼吸困难的是（）
A.贫血
B.肺气肿
C.慢性充血性心力衰竭
D.肺间质纤维化
E.癔症
参考答案：E
The country is far ______ from ours.
A．away
B．way
C．to
D．long
The two pictures look the same to me. It’s hard to _____ one from the other.
A．speak
B．say
C．talk
D．tell
