成人高考培訓(xùn)班

1. 通讀下面的短文，掌握其大意。然后每小題的四個(gè)選項(xiàng)中選出可填入相應(yīng)空白處的最佳選項(xiàng)。

Enough sleep is important to health. The amount of sleep 21 depends on the age of the person and the conditions in which sleep 22 .The young may need more sleep than the old， but generally eight hours are enough for the health of grown-ups. Some can 23 with less than this amount but 24 may need more. Every person knows his own need. It is then a matter of how to 25 it. Sleep should always be enough to make one relaxed(松弛) and ready for 26 work.

Fresh air is 27 to sound sleep(酣睡). It is not without reason for some people to 28that it is practical to sleep in the open air. 29 a person can keep himself warm， out-of-door sleeping probably gives the body 30 complete relaxation.

Ability to sleep is largely a habit. The conditions referred to only lead to sleep. Out-of-door 31 ，a good habit of regular drinking and the avoidance of late eating and 32 are all helpful