题目

阅读理解There is an old English saying.It tells us that we must go to bed early and get up early in the morning.Then we shall be healthy.We shall also be rich and clever.This is true.The body must have enough sleep to be healthy.Children of young age should have ten hours' sleep every night.Children who do not have enough sleep cannot do their work well and they may not be healthy.The body also needs exercise.Walking, running, jumping and playing games are all exercise.Exercise keeps the body strong.Exercise also helps the blood to move around inside the body.It is very important.Our blood鸦片战争前夕，清政府严重摧残近代化因素萌芽的政策或措施不包括( )A.闭关锁国政策B.官商分利政策C.重农抑商政策D.厉行文化专制