单项选择题

If you need a transfusion, the best and safest blood for you is （）

A. type AB
B. exactly the same type as yours
C. a mixture of salt, plasma and type O
D. type A

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填空题

A.return B.Saturday C.surface D.murder

单项选择题

If someone is retired and only wants to work at weekends with easy responsibilities like answering the telephone, where he or she should call to get more information for the position（）

A. 565-366-7654
B. 565-987-7832
C. 366-76564
D. 897-980-7654

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