—It's not difficult for five workers to push the broken van away.
— Yes, __________.
A:Many hands make light work
B:When the cat's away, the mice will play
C:Every dog has its day
D:Don't put all your eggs in one basket
苯酚及其衍生物广泛存在于工业废水中,对环境有严重危害.小明同学准备依据图1操作步骤,从处理废水的活性污泥中分离筛选酚降解高效菌株.请回答下列问题:
下列各组大洲中,临北冰洋的是( )
短文改错:找出短文中有错误的地方划线并改正,每行只有一处错。
Hundred of years ago, news was carried ____
by people on foot or by a horse. ____
It takes people a long time to receive news. ____
Now it is possible to sending words and pictures____
in seconds. Billions of people learn about news
either by watching TV and by reading. ____
据新华网2013年2月26日消息,中俄能源合作委员会主席会晤日前取得重要成果,中俄双方就扩大原油贸易达成重要共识,双方同时确认通过中俄天然气东线管道每年对华供气380亿立方米,并就东线液化天然气项目和西线供气合作继续研究论证。下图为中俄石油、天然气管道路线示意图。