During Prohibition, people ______.
A. lived in fear of the law
B. were willing to risk arrest for the pleasure of liquor
C. recklessly endangered their communities
D. were respectful of the legal sanctions placed on them
查看答案
由白矾制成枯矾，传统方法约失重( )
A. 20%
B. 45%
C. 60%
D. 75%
E. 90%
The author states all the following EXCEPT that ______.
A. the development of present technologies can not provide any answers to today's problems
B. an increasing number of young scientists are taking a great interest in biological and social sciences
C. many people as well as scientists have come to understand the limits of natural resources
D. many scientists argue that high technology is something but not everything
Which of the following would the author probably agree with
A. The environment crisis will not be solved unless we stop using virgin materials.
B. In scientific research, a higher priority should be given to understanding all living systems.
C. Exploration of outer space will finally lead to an improvement on human living conditions.
D. S. high-technology companies are applauding this new twist in scientific research.
甲上市公司2007年10月1日开始为某企业提供大型机械安装业务，安装期为10个月，合同总收入1000万元，至年底已预收款项400万元，实际发生成本300万元，估计至安装结束尚需发生成本500万元。在剩余的合同价款韶可靠收回的情况下，甲上市公司2007年度该项安装业务应确认的劳务收入为( )万元。
A. 300
B. 375
C. 400
D. 500
微信支付 
支付宝支付