人口的增长对经济和社会发展始终起着促进作用。 ( )
参考答案:错
-Can you go to school in other clothes?
-No. We ______ to go into the school unless we are in school uniforms.[ ]
A. allow
B. are allowed
C. are not allowed
D. allowed
以下肠痈的病因,哪一项是错误的:()
A.饮食不节
B.寒温不适
C.忧思抑郁
D.房劳过度
E.跌仆损伤