调合单体与塑料粉时，对其聚合的速度影响最大的因素是（）
A.温度
B.搅拌速度
C.湿度
D.单体量
E.塑料粉量
参考答案：A
Animals suffered at the hands of Man _______they were destroyed by people to make way
for agricultural land to provide food for more people.[ ]
A．in which
B．for which
C．so that
D．in that
下面哪一个症状体征对诊断颅内压增高最有价值（）
A.头痛
B.呕吐
C.视盘水肿
D.偏瘫
E.视力下降
