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【简答题】
新冠肺炎传播速度之快,途径之广,让许多不明真相的人产生恐慌心理。不幸被传染,在指定医院隔离,作为朋友你如何电话劝说,让他充满信心,积极配合医护人员。
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举一反三
【单选题】下面关于铁的吸收,错误的是______。
A.
Fe 2+ 比Fe 3+ 易吸收    
B.
胃酸能促进铁的吸收
C.
出血后铁的吸收率降低    
D.
吸收的主要部位是小肠上部
E.
胃大部分切除后的病人常伴有缺铁性贫血
【判断题】维生素C能促进铁的吸收。(    )
A.
正确
B.
错误
【单选题】在完全垄断厂商的最好或最优产量处
A.
P=MC
B.
P=SAC的最低点的值
C.
P最高
D.
MR=MC
【单选题】Guo Yue did quite at the World Table Tennis Championship (锦标赛) , but Zhang Yining did even .
A.
better, well
B.
good, better
C.
well, better
【简答题】To ensure their sales, some tobacco companies stated that there was still '______' over the effects of cigarettes on health.
【单选题】_____to ensure that their claims are received on time, claimants are encouraged to file their claims electronically or by fax, utilizing the special procedures described in this notice.
A.
Whether
B.
In order
C.
According
D.
How
【单选题】Guo Yue did quite at the World Table Tennis Championship(锦标赛), but Zhang Yining did even .
A.
better, well
B.
well, well
C.
well, better
D.
bette better
【多选题】能促进铁的吸收的有:
A.
维生素A
B.
维生素B
C.
维生素C
D.
盐酸
E.
内因子
【简答题】If we are to ensure that our children and grandchildren inherit a world that is not altered for the worse by global warming, we must begin____________. (采取措施减少全班干球气温上升所带来的污染总是)
【单选题】关于铁的吸收的描述,正确的是(    )
A.
对铁吸收与机体对铁的需要无关  
B.
维生素C能促进铁的吸收
C.
铁在酸性环境中不易吸收    
D.
铁是以游离形式吸收的
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