缺铁性贫血的鉴别诊断包括（）
A.海洋性贫血
B.慢性病性贫血
C.转铁蛋白缺乏症
D.铁粒幼细胞性贫血
E.急性病性贫血
参考答案：A, B, C, D
小宝的妈妈买花布1.5米，共用1.9元钱，买白布2.6米，共用3.7元钱，一共买了多少米布？一共用了多少元钱？
—My friends and I ___ going to the Science Museum. Would you like to join us, Daming?
—That's a good idea! [ ]
A.be
B.am
C.is
D.are
