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【单选题】
描述GDP增长率与失业率之间关系的合适图形是A.
散点图
B.
折线图
C.
条形图
D.
直方图
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反馈参考答案：
举一反三
【单选题】If you want _________, you should speak slowly and clearly to the listeners.
A.
to be understood
B.
to understand it
C.
understanding
D.
to understood
【单选题】The 'Mozart problem' , as defined by the author, is that______.
A.
it is difficult to understand Mozart's letters and his music
B.
there is little connection between his personality and his music
C.
Mozart gave us nothing of a clue about his music in his letters
D.
his music is quite different from that of Beethoven or Wagner
【单选题】Such poets as Shakespeare _____ widely read, of whose works, however, some _____ difficult to understand.
A.
are; are
B.
is; is
C.
are; is
D.
is; are
【单选题】It is not______much the language as the background that makes the book difficult to understand.
A.
that
B.
as
C.
so
D.
very
【单选题】The Company should ensure that _____ involved in the Company’s SMS have an adequate understanding of relevant rules, regulations, codes and guidelines.
A.
masters
B.
chief engineers
C.
crew
D.
all personnel
【多选题】关于卖家操作账号的问题,以下正确的选项是:( )
A.
卖家可以根据自身情况，申请开通多个运营账号
B.
多个卖家可以在同一台电脑上（同一IP地址）登录多个账号
C.
在不同的IP地址登陆同一账号，回答安全问题错误时，有可能会引起账号冻结
D.
卖家可以为主账号设置多个操作员子账号
【单选题】设a，b为两条直线，α，β属为两个平面，且a?α，a?β，则下列结论中不成立的是（ ）
A.
若b?β，a ∥ b，则a ∥ β
B.
若a⊥β，α⊥β，则a ∥ α
C.
若a⊥b，b⊥α，则a ∥ α
D.
若α⊥β，a⊥β，b ∥ a，则b ∥ α
【单选题】_____ scores of times ,but hestill couldn’t understand it .
A.
Having explained
B.
Having been explained
C.
Though it was explained
D.
Itwas explained
【单选题】已知a、b为两条不同的直线，α、β为两个不同的平面， 且a⊥α，b⊥β，则下列命题中为假命题的是
A.
若a∥b，则α∥β
B.
若α⊥β，则a⊥b
C.
若a，b相交，则α，β相交
D.
若α，β相交，则a，b相交
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