题目:
.I want to buy that kind of cloth because I _____ the cloth _____ well.
A.have been told; washes
B.have told; washes
C.was told; washed
D.have been told; is washed
答案:
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参考答案:D解析:血清铁蛋白代表体内的贮存铁,血清铁蛋白降低,说明体内贮存铁已明显下降。缺铁性贫血时先贮存下降,继之血清铁和骨髓中铁粒幼细胞减少,最后产生低色素(MCHC低于正常)小细胞(MCV和MCH低于正...