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  3. More than three-quarters of the children we interviewed said they’re sometimes afraid to be home alone. If you decide your child

More than three-quarters of the children we interviewed said they’re sometimes afraid to be home alone. If you decide your child

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问题     More than three-quarters of the children we interviewed said they’re sometimes afraid to be home alone. If you decide your child is【C1】______enough to be home alone before or【C2】______school, you should make sure your house is【C3】______and teach your child to【C4】______various situations.
    Make a game of your instructions. Have your child answer questions beginning with "What would you do if" and ending with phrases like "you lost your key"【C5】______"someone you don’t know comes【C6】______the door."
    The best home security is【C7】______. Every home should have smoke detectors, and consider installing a burglar-alarm system. Leaving a radio【C8】______during the day makes a home sound【C9】______Besides, don’t leave an extra key in obvious hiding places, such as under the doormat. 【C10】______it with a neighbor instead.
    【C11】______your child is home alone, the phone is a vital【C12】______A parent or designated (指定的) adult should always be available by【C13】______Children should know where to find【C14】______numbers, and how to【C15】______the phone and take a message without letting an unknown caller【C16】______out no one else is home. You might【C17】______a telephone-answering machine. Your child【C18】______then be able to pick up the receiver only when he heard a【C19】______voice. If you help your child understand the precautions you’ve taken, he will feel more【C20】______about staying home.
【C12】
选项 A、necessity
B、link
C、protection
D、line
答案B
解析 名词辨析题。电话主要起到沟通、联系的作用。所以当孩子独自在家时，电话就成了孩子与外界沟通、寻求帮助的至关重要的link“起联系作用的事物”。necessity“必需品”，与vital重复；protection“保护”，下文提到了孩子自己接电话可能会带来的问题，所以电话不仅仅起保护作用；line“线”，放在句子中不符合逻辑。
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大学英语四级

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