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【单选题】
整体安装的泵，纵向安装水平偏差不应大于（）。A.
0.10/1000
B.
0.20/1000
C.
0.03/1000
D.
0.05/1000
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反馈参考答案：
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
【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
【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)
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