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(1)His sister gets up at h ____ past six in the morning.
(2)Mr and Mrs Wang go to work by s____ every day.
(3)My home is about 5 k____ from our school.
(4)He always gets early ,he is n____  late for work.
(5)The classroom is too n____  , I can't hear you.

有4个， 的个数是 的3倍，有____  。

下列分式中，属于最简分式的是（   ）

已知：二次函数y=ax²+bx+c（a≠0）中的x和y满足下表：

x	…	0	1	2	3	4	5	…
y	…	3	0	﹣1	0	m	8	…

Some westerners who have never been to China make the      that poverty exists all over the poor country．