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【多选题】
注射酒精治疗三叉神经痛时，使用乙醇的浓度为（）A.
60%
B.
70%
C.
95%
D.
100%
E.
85%
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举一反三
【单选题】In concluding your direct reply letter, you should ( )
A.
avoid repeating the information provided or referring to its use.
B.
sign off with a familiar expression such as "If I may be of further assistance, please don't hesitate to call me."
C.
provide specifics if further action is required.
D.
omit your name but include the company name in the signature block.
【单选题】The article suggests that______.
A.
our earth exists before the sun
B.
how space is formed
C.
no one knows where the earth comes from
D.
our earth used to be a high mountain on the sun
【单选题】The article suggests that a solution to the problem
A.
is unlikely to be identified.
B.
must precede further research.
C.
is hypothetically easy.
D.
will limit global shipping.
【简答题】A concluding paragraph is your chance to _______ .
【简答题】The article suggests that ______ allow economic invasive species to do what they want and ually lead to monopolies.
【单选题】曝气池混合液SVI指数是指______。
A.
曝气池混合液悬浮污泥浓度
B.
曝气池混合液在1000mL量筒内静止沉淀30min后，活性污泥所占浓度
C.
曝气池混合液静止沉淀30min后，每单位重量干泥所形成湿污泥的体积
D.
曝气池混合液中挥发性物质所占污泥量的比例
【单选题】The article suggests that______.
A.
our earth exists before the sun
B.
how space formed
C.
no one knows where the earth comes from
D.
our earth used to be part of a high mountain on the sun
【单选题】(2010年)曝气池混合液SVI指数是指：
A.
曝气池混合液悬浮污泥浓度
B.
曝气池混合液在1000mL量筒内静止沉淀30min后，活性污泥所占体积
C.
曝气池混合液静止沉淀30min后，每单位重量干泥所形成湿污泥的体积
D.
曝气池混合液中挥发性物质所占污泥量的比例
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