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【单选题】
假设需求价格弹性为 2,现在的价格是100元,需求量为1000个,那么价格上升10元,那么需求量( )A.
减少100
B.
增加100
C.
减少200
D.
增加200
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反馈参考答案：
举一反三
【简答题】The membership of REN21.
【简答题】游标卡尺的尺身每一格为1mm,游标共有50格,当两量爪并拢时,游标的50格正好与尺身的49格对齐,则该游标卡尺的读数精度为 mm。
【单选题】After you_______the attached form, please send it to us within 7 working days to be eligible for our two-year warrant program.
A.
will complete
B.
completed
C.
having completed
D.
have completed
【单选题】please send us samples ( )for our reference
A.
airmail
B.
by airmail
C.
airmailing
D.
by airmailing
【单选题】For more information, please send an e-mail, ____ you can also include your advice to us.
A.
when
B.
where
C.
which
D.
that
【简答题】游标卡尺的尺身每一格为1mm，游标共有50格，当两量爪并拢时，游标的50格正好与尺身的49格对齐，则该游标卡尺的读数精度为（）。
【单选题】Membership in the is a prerequisite for membership in the International Finance Corporation.
A.
International Bank for Reconstruction and Development
B.
International Development Association
C.
Multilateral Investment Guarantee Agency
D.
International Monetary Fund
【简答题】节奏听写7 输入代号,字母小写,连续输入,不要空格。
【单选题】If you want to apply for membership, click ______.
A.
Try it free for three months
B.
Learn more about membership
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