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  3. California State Law requires that all bicycle riders under age 18 wear prot

California State Law requires that all bicycle riders under age 18 wear prot

游客2024-02-21  46
问题     California State Law requires that all bicycle riders under age 18 wear protective helmets whenever they ride on public streets or trails. Medical research shows that 85 % of【B1】______brain injuries can be【B2】______ by wearing a bicycle helmet. About 1000 bicycle riders are killed in the U. S. every year, usually in【B3】______with cars, and 75% of them die of head injuries. Many thousands more suffer less severe but still debilitating injuries which are【B4】______ than simple road rash and broken bones. Children can suffer permanent personality changes and learning【B5】______from a brain injury. Common long term【B6】______ includes concentration difficulties, aggressiveness, headaches and balance problems.【B7】______ your great pain if this happens and you have to blame it on your【B8】______to buy a helmet!
    There are many good helmets off the market. You can make your choice based on three criteria:【B9】______.
    A helmet that doesn’t fit, doesn’t sit correctly on your child’s head, not only looks silly but is less than useless. A good reason to purchase the helmet from a bike store is the fact that【B10】______. You shouldn’t expect the sales to help at a discount or department store to correctly perform the service. Some helmets look better than others.【B11】______ [br] 【B2】
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答案 prevented
解析 空前的系动词be和空后的介词by提示所填的词应为动词的被动式。由上文的California State Law requires that all bicycle riders under age 18 wear protective helmet这句话推测，政府的法令目的当然是为了保护未成年的骑自行车者。此处可能要表达的是佩戴头盔可以防止头部受伤。prevent意为“防止”。
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