仔细选择食用对象是指营养强化要有()。
A、选择性
B、多样性
C、针对性
D、保险性
参考答案:C
— Are these ______ CDs, Tom?
— No, ______ in the box over there. [ ]
A. yours, Mine is
B. your, Mine are
C. yours, My is
D. your, My are
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