I'd like her ______ me at the gate.
[ ]
A. meet
B. meeting
C. meets
D. to meet
答案:D
COPD主要的病因是
A.吸烟
B.大气污染
C.气候变化
D.感染
E.过敏因素
人畜粪便灌溉菜地可使蔬菜严重受到寄生虫卵的污染。( )