肺炎喘嗽的主要临床表现有
A．发热
B．咳嗽
C．鼻煽
D．气急
E．胸闷
参考答案：A,B,C,D
位于美国东北部地区的农业带是[ ]
A、乳畜带
B、棉花带
C、小麦带
D、畜牧和灌溉农业区
The students in our school expected ______ more time for reviews and exercises before the College Entrance Examination next year.
A．there being
B．there has
C．there had
D．there to be
