2. 外语
  3. S4 Car crashes are the 【S1】______ cause of injury and death among U.S. children, and though most of us now think of car seats as

S4 Car crashes are the 【S1】______ cause of injury and death among U.S. children, and though most of us now think of car seats as

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问题     S4 Car crashes are the 【S1】______ cause of injury and death among U.S. children, and though most of us now think of car seats as standard baby equipment, about half of alt children under the age of four who died in vehicle accidents last year were not 【S2】______. It is calculated that only about two-thirds of children ages five to fifteen buckle their seat belts.
    Moreover, the traffic-safety agency 【S3】______ that even among parents who always strap their children in, 85% are not doing it 【S4】______. They often don’t know where best to place the kids, don’t use the proper restraint for their age and 【S5】______, or don’t 【S6】______ the safety seats properly.
    【S7】______ the reports about front seats collapsing onto back seats when certain car models get in accidents, the safest place in the car for any child up to the age of 12 is still the back seat. Babies up to 9 kg and one year old should ride in rear-facing infant seats. Never place a child under age 12 in the front seat with a working passenger-side air bag. These de vices are 【S8】______ at 320 km/h and van be triggered by low-speed fender benders. They have killed 77 kids in the U.S. since 1993. If you must place a child in front, make sure the passenger-side bag is 【S9】______ off.
    Children over age one should ride in forward-facing safety seats with a five-point harness system. A child who weighs at last 18 kg and is at least 2m tall can graduate to a booster seat that 【S10】______ her so that the standard shoulder and lap belt fit properly.

             Word Bank:
A. estimate             I. discharged
B. educate              J. secure
C. restrained           K. weight
D. properly             L. collective
E. elevates             M. install
F. Despite              N. switched
G. However              O. sober
H. leading
选项
答案H
解析 车祸是造成美国儿童受伤和死亡的原因，这是一个完整的句子，要填入的词语是作为修饰语来修饰cause，车祸是主要的原因，所以正确的选项是H。
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大学英语四级

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