Do you often feel tired or hard to concentrate(集中精力) in class ? If your answers to this question is yes,
【小題1】
. .Not getting enough sleep can lead to many kinds of problems.
New studies show that not only Chinese students suffers from lack(不足) of sleep，American students also have the same problem .
【小題2】
Why are they so tired ? One big reason is the use of electronic products（電子產(chǎn)品）.
A recent survey finds out that 71% of American kids aged 8 to 18 have TVs in the rooms and about 36% have computers in their rooms.
【小題3】
, playing video games ,sending text messages to friends and watching TV before bedtime.
How to solve the problem ? Scientist advise “
【小題4】
. ”Spending more time on sleep can help students stay healthy
【小題5】
根據(jù)以上內(nèi)容，從下列五個選項中選擇適當(dāng)?shù)木渥舆�原到短文中，使短文完整與正確。將其標(biāo)號在答題卡上涂黑。（每小題2分，共10分）
| A．Some American primary school students are very tired and sometimes they even fall asleep in class. | | B．perhaps it means you need more sleep. | | C．It’s never too late to change bad sleep habits | | D．Many kids spend a lot of time surfuring the Internet , |
E. and do well at school.
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