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【简答题】
(高考复习指南)图2-1-58所示为交流发电机的示意图,线圈在匀强磁场中以一定的角速度匀速转动。线圈电阻R0=5Ω,负载电阻R=15Ω,当开关S断开时,交流电压表的示数为20V;当开关S合上时,负载电阻R上电压的最大值为________。
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【单选题】10个月女婴,单纯母乳喂养,面色渐苍白2个月,烦躁,食欲不佳,不愿活动,肝肋下2cm,脾肋下可触及边缘,Hb709/L,RBC3.6x 1 012/L,MCV70fl,MCH23βg,MCHC29%,最可能的诊断是
A.
营养性巨幼红细胞性贫血
B.
营养性缺铁性贫血
C.
再生障碍性贫血
D.
地中海性贫血
E.
铁粒幼红细胞性贫血
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A.
营养性巨幼细胞性贫血
B.
营养性缺铁性贫血
C.
铁粒幼红细胞性贫血
D.
地中海性贫血
E.
再生障碍性贫血
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A.
葡萄糖和果糖
B.
葡萄糖
C.
果糖和半乳糖
D.
葡萄糖和半乳糖
【判断题】T触发器也称为全功能触发器
A.
正确
B.
错误
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A.
营养性巨幼红细胞性贫血
B.
营养性缺铁性贫血
C.
再生障碍性贫血
D.
地中海性贫血
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铁粒幼红细胞性贫血
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【单选题】语法作业1强调句 2.It was__ he said__ disappointed me.
A.
that;what
B.
what;that
C.
what;what
D.
that;that
【单选题】女婴,10个月。单纯母乳喂养,面色渐苍白2月,烦躁,食欲不佳,不愿活动,肝肋下2cm,脾肋下可触及边缘,血红蛋白70g/L,红细胞3.6×10 12/L,MCV70fl,MCH23pg,MCHC29%,最可能的诊断是
A.
地中海性贫血
B.
再生障碍性贫血
C.
营养性缺铁性贫血
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铁粒幼红细胞性贫血
E.
营养性巨幼红细胞性贫血
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A.
1
B.
2
C.
3
D.
4
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