A:果实、茎、叶
B:根、叶、叶
C:根、叶、茎
D:根、茎、叶
如图是“1990 年和2005 年中国能源消费总量及构成比较”,对如图的理解正确的是( )
如图所示,弹簧秤的示数各为多少?
不透明的黑袋子里放有3个黑球和若干个白球(黑白两球仅有颜色不同),老师将全班学生分成10个小组,进行摸球试验,在经过大量重复摸球试验中,统计显示,从中摸出白球的频率稳定在0.4附近,则袋子里放了( )个白球.
Work place
He works at a ____ station in New York.
At home
He gets up at six ten every morning.
He runs for ____ an hour.
On the way to work
He ____ to a bus stop.
The bus ride usually takes about fifty ____.
He thinks the bus ride is ____.