单项选择题

Not all the milk powder has been sufficiently tested for safety．

A．所有的奶粉都未进行必要的安全检查。
B．所有的奶粉都未必进行充分的安全检查。
C．并非所有的奶粉都进行了必要的检查。
D．并非所有的奶粉都经过了充分的安全检测。
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问答题
Buying insurance(保险)is a way in which people can protect themselves against largelosses. Protection against fire is one kind of insurance. Large numbers of people pay smallsums of money to an insurance company. Although thousands of people have paid for fireinsurance, only a few will lose their homes by fire. The insurance company will pay for thesehomes out of the small sums of money it has collected．
单项选择题
Not until the problem 0f talents and funds is solved, is our talking about the projectmeaningful．
A．不到解决人才和资金问题的时候，无须讨论这项工程的。
B．讨论这项工程有无意义要看人才和资金问题能否得到解决。
C．只有解决了人才和资金问题，讨论这项工程才有意义。
D．解决人才和资金问题与讨论这项工程具有同样重要的意义。
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