腺病毒肺炎最易出现的并发症是（）
A.张力性气胸
B.心力衰竭
C.肺脓肿
D.肺大疱
E.脓气胸、脓性胸腔积液
参考答案：B
[听力原文]
M：Did the professor give an assignment for Monday
W：Nothing to read．but we have to see a movie and write a short comment about it．
What have the students been assigned to do before Monday（）
A．To read the textbook．
B．To see a movie and write a comment．
C．To write a composition．
D．To read a novel．
我国发展潮汐能的优势是什么？
