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【单选题】
肺泡与肺泡血管之间的气体交换是通过下列哪种结构实现的A.
肺泡膜
B.
呼吸膜
C.
肺泡膜与血管内皮细胞
D.
肺泡膜、血管内皮细胞和基
E.
肺泡表面活性物质
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反馈参考答案：
举一反三
【单选题】下列操作,最终使单元格区域 A1:D3 中都显示 10 的是()。
A.
直接输入
B.
选中 A1:D3 ，输入 10 ，按 Enter
C.
在 A1 输入 10 ，然后按住填充柄一下填充到 D3
D.
选中A1:D3，输入10，按Ctrl+Shift+Enter
【简答题】Tables, graphs and charts are often used to present the sales figures in a direct and vivid way . Match their names with the following pictures.
【单选题】The government's recent statement of the unemployment figures doesn't ______ with the facts.
A.
accord
B.
unify
C.
conform
D.
comply
【判断题】According the previous introduction of BEC-Preliminary Test, Graphs and charts containing figures are used as texts.
A.
正确
B.
错误
【简答题】We can hardly see any chance to supply you with more brown tea.
【单选题】We can hardly avoid making any mistakes in our work, ______ hard we try.
A.
whatever
B.
how
C.
however
D.
no matter
【单选题】We can hardly accept any marks（）or damage（）the cargo.
A.
mixed/to
B.
mixing/to
C.
being mixed/for
D.
being mixed/of
【多选题】Introduction paragraph of graphs and charts usually _________________________.
A.
point out the content of the graphs or charts
B.
indicate the time period
C.
choose the most important details
D.
mention the general trend without referring to the specific figures
【判断题】Jane Eyre is a typical realistic novel as we can hardly identify any romantic elements in it.
A.
正确
B.
错误
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