1999-2006年，全国发电量高于煤炭产量的年份有()。
查看答案
What does the underlined sentence in the second paragraph imply？
A. The science of mind has been developing steadily.
B. Our life has become more balanced today than before.
C. We don't believe science any more.
D. We have become more reasonable in judging the scientific results.
A．developmentB．timeC．paceD．on
A. development
B. time
C. pace
D. on
A．WhenB．WhileC．AsD．Because
A. When
B. While
C. As
D. Because
科学家王某发现了克隆小尾羊的诀窍，这一发现可以申请专利权。()
A. 正确
B. 错误
微信支付 
支付宝支付