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【单选题】
左氧氟沙星具有下列何种性质A.
酸碱两性
B.
酸性
C.
碱性
D.
中性
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反馈参考答案：
举一反三
【单选题】Passengers are not allowed to take ____________ inflammable or explosive objects.
A.
any
B.
some
C.
many
D.
a lot
【简答题】在PowerPoint 2010中有三种母版:()、()、()。
【简答题】在PowerPoint2010中有3种母版:幻灯片母版、讲义母版和 。
【单选题】Passengers are not allowed to smoke on the plane because ______.
A.
there’re babies on board
B.
most passengers are against smoking
C.
smoke may activate the alarm
D.
it’s a non-smoking flight
【单选题】I saw a boy _____ basketball there when I walked past this morning. [ ]
A.
play
B.
played
C.
playing
D.
to play
【简答题】在PowerPoint 2010中有____、讲义母版和____三种母版类型。
【判断题】When a Economy Class passenger wants to use the lavatory in the Business Class, you will say " Please go back to the aft. Economy Class passengers are not allowed to use the lavatory in the Business ...
A.
正确
B.
错误
【单选题】Airline passengers are specifically told NOT to______.
A.
ask question about safety during the flight
B.
jump in any circumstances
C.
carry personal belongings in an emergency
D.
locate the nearest exit
【单选题】Translate the underlined part in the sentence " The minority of non-paying passengers are not being supported by the majority of fare paying passengers."
A.
少数逃票乘客
B.
少数没带钱的乘客
C.
多数逃票乘客
D.
多数没带钱的乘客
【简答题】在PowerPoint 2010中有3个母版,即 、 和备注母版。
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