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问题 单项选择题

缺铁性贫血与慢性感染性贫血的鉴别要点是()

A．血清铁测定

B．小细胞低色素性贫血

C．骨髓红细胞内铁

D．骨髓细胞外铁

E．红细胞内游离原卟啉测定

答案

参考答案：D

选择题

Let ____________ help ____________.[ ]

A. me, your

B. me, you

C. I, you
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选择题

Remember to spend some time ______ your loved ones, because they're not going to be around forever. [ ]

A. from

B. with

C. in

D. on

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