A.By bringing an animal rarely seen on nearby farms.B.By bringing a bag of grain
A. By bringing an animal rarely seen on nearby farms.
By bringing a bag of grain in exchange for a ticket.
C. By offering to do volunteer work at the thir.
D. By performing a special skill at the entrance.
查看答案
The author believes that, since the signing of the Kyoto Protocol,
A. politicians have started to do something to better the situation
B. few nations have adopted real tough measures to limit energy use
C. reductions in energy consumption have greatly cut back global warming
D. international cooperation has contributed to solving environmental problems
某一尺寸为φ30mm×250mm的轴用30钢制造，经高频表面淬火(水冷)和低温回火，要求摩擦部分表面硬度达50～55HRC，但使用过程中摩擦部分严重磨损，试分析失效原因，并提出解决问题的方法。
From Paragraph 2 we learnthat the author of the passage
A. is a supporter of some modem ideologies
B. does not think that the adoption of any ideology could prevent war
C. believes that the adoption of some ideologies could prevent war
D. has no doubt about the truth of any ideologies
微信支付 
支付宝支付