（）是马克思主义政党的基本政治观点和根本工作路线。
A.群众路线
B.实事求是
C.解放思想
D.改革创新
参考答案：A
The smoggy weather has made us realize ________ terrible problems we are faced with.
A．how
B．what
C．that
D．which
There ___ a teacher, thirty-one desks and thirty chairs in it.[ ]
A. am
B. is
C. are
D. be
