下列哪项可诱发哮喘发作()。
A.阿司匹林、普萘洛尔(心得安)
B.理化刺激、精神紧张
C.接触过敏原
D.运动
E.病毒感染
参考答案:A, B, C, D, E
The number of people who were killed______more than 400,000. A great number of them ______the old people and children.[ ]
A. was; were
B. was; was
C. were; were
D. were; was
下列描述设计总负责模式特点有误的是( )。
A.建设项目业主只需要签订一个设计合同
B.建设项目业主只需要组织一次设计指标
C.建设项目业主只需要与一个设计总负责单位进行协调
D.工程设计进度控制与设计总负责单位的能力无关