发生高碳酸血症的病因,不正确的是().
A.气管阻塞狭窄
B.局部肺间质纤维化
C.严重肺结核
D.昏迷合并肺部重症感染
E.慢性阻塞性肺疾病
参考答案:B
Our school is no longer ______ is was 10 years ago, _______ it was not well equipped.
A.what; which
B.that; which
C.what; when
D.that; where
茅盾是怎样理解文艺的民族形式的?