下图提供了某发展中国家的人口资料，读图完成下列问题（4分）。 （1）读图，试解

---- __________ is it from Sunshine Town to the center of Beijing?

---- It’s about 20 kilometers ________ our school.

A．How often , far from

B．How long, away from

C．How soon, far away from

D．How far, away from

-Jack got drowned in the lake and was in hospital yesterday.

-Sorry to hear that.I'm told he often goes swimming alone________his mother's objection.[ ]

A．regardless of  

B．in case of

C．in view of  

D．instead of

战略目标

论述药物引起呼吸系统毒性的机制主要有哪些并各举一例药物。

人类行为表现较差的时段是（）.

A.凌晨0-2点

B.凌晨2-4点

C.凌晨4-6点

D.凌晨6-8点