皮皮学，免费搜题
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搜题
【单选题】
维生素B12和叶酸缺乏所引起的贫血是A.
再生障碍性贫血
B.
缺铁性贫血
C.
巨幼红细胞性贫血
D.
β-球蛋白生成障碍性贫血
E.
溶血性贫血
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】— You’ve dropped ________ “s” in the word “necessary”. — Oh, ________ letter “s” is doubled.
A.
a; a
B.
a; the
C.
an; the
D.
the; the
【判断题】Generally speaking, lecture slides as an outline of the content, helpus identify the key topics and concepts in the lecture.
A.
正确
B.
错误
【单选题】―You’ve dropped _______ “s” in the word “success”. ―Oh, _______ letter “s” is doubled.
A.
a; a
B.
a; the
C.
an; the
D.
the; the
【单选题】If the concept is “equations”, the maths teacher will write examples such as “3a+2b=7”,”14b-3=25” which are equations. The examples of”12-8”, “150>125” are not equation. This allows learners to identi...
A.
Role Play
B.
Matching
C.
Provide Examples and Non-Examples
D.
Attribute Classification
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