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【多选题】
二元函数 在 处可微分的充分条件是( ).
A.
及 均存在
B.
及 在 的某领域中均连续
C.
当 时, 是无穷小量
D.
当 时, 是无穷小量
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【单选题】( )又称种孔,是珠孔的遗迹,位置正对着胚根的尖端,种子萌发时胚根由此伸出。
A.
种脐
B.
发芽口
C.
脐条
D.
内脐
E.
种阜
【简答题】完形填空。 'China will draw a lesson from the recent milk scandal and seize the opportunity that has presented to inspect food safety controls 1 and 2 better business ethics.' Speaking at a luncheon held i...
【单选题】After the scandal, who has become popular on TV?
A.
Nick and Talia
B.
Dean and Jackie
C.
Jackie and Talia
【简答题】There has never been a breath of scandal about her.
【单选题】Doctors and medical supplies to the scene of the accident after the train crash.
A.
had been rushed
B.
were rushed
C.
were rushing
D.
rushed
【单选题】The scandal has public outrage.
A.
staged
B.
stalked
C.
stored
D.
stoked
【单选题】Conan Doyle's short story 'A Scandal in Bohemia' has proved to be ______ at last.
A.
successful
B.
powerful
C.
ridiculous
D.
frustrating
【单选题】It is not  _____ that Sanlu has been connected to a scandal involving milk powder, according to China Daily.
A.
for the first time
B.
the first time
C.
first time
D.
in the first time
【简答题】辨析题:学生思想品德形成的动力是教师的帮助与教育。
【单选题】The scandal has a bad effect _____his career.
A.
on
B.
of
C.
in
D.
at
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