问题
单项选择题
涉密计算机需送外部做数据恢复时，必须到由（）进行，并将废旧的涉密计算机收回。
A.单位信息中心
B.上级单位信息中心
C.外包单位
D.国 * * 密工作部门指定的具有保密资质的单位
答案
参考答案：D
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涉密计算机需送外部做数据恢复时，必须到由（）进行，并将废旧的涉密计算机收回。
A.单位信息中心
B.上级单位信息中心
C.外包单位
D.国 * * 密工作部门指定的具有保密资质的单位
参考答案：D
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| Most American families like to take a vacation 1 summer. Summer is a good season 2 vacation. It is very hot during the months of July and August. Children do not go to school during these 3 months. Some 4 like to stay at home during the holiday. They work in the garden, visit friends, 5 books, or 6 TV. Many families 7 their lunch to a park or somewhere far 8 the city. They like to eat where there are many trees or there is a nice lake. If they live near the sea, they often go to the beach. They can fish, swim or enjoy the sun there. America is a large country. Many families travel by 9 or by train to see interesting places. They also travel by plane to a foreign country. Many big cities 10 many famous buildings, shops and other places for travelers.
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