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【单选题】
在前面几题的基础上，有子类Dog和Cat继承了父类Animal，如下空格的输出是以下哪个选项？dog=Dog('coco','small');cat=Cat('kawaii')>>>isinstance(dog,Animal)___________>>>isinstance(cat,Animal)___________>>>isinstance(dog,Dog)___________>>>isinstance(dog,Cat)____________A.
True True False False
B.
True True True False
C.
True False False True
D.
True True True True
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【单选题】----- I must go now, thanks again for your hospitality. ------ _________.
A.
My pleasure! So long!
B.
With pleasure! Goodbye!
C.
You are welcome! Go slowly!
D.
Have a nice day! Good luck!
【单选题】Traveling has now become a highly organized business ______.
A.
so we can travel anywhere without difficulty
B.
because we are provided with all kinds of convenient means for traveling
C.
because traveling organizations can be found in the countries the world over
D.
so travelers have increased rapidly
【单选题】The local people are used to me now and take the__________0f practicing their English with me．
A.
advantage
B.
opportunity
C.
incident
D.
occasion
【单选题】Liming speaks English well________he were an English boy.
A.
so that
B.
even though
C.
as though
D.
now that
【单选题】— He is working hard now. — He tries ___ English. So he practices ___ English every day.
A.
to learn, to speak
B.
learning, speak
C.
to learn, speaking
D.
learning, to speak
【单选题】You are grownup now, so it's up to you to decide whether to________English or French. [ ]
A.
take off
B.
take on
C.
take in
D.
take up
【简答题】大对数线的主色与次色都是什么?
【单选题】Now China has joined WTO, so I think English is __________ useful than before .
A.
. more
B.
. most
C.
. much
【简答题】Black English is now a variety of English. ( )
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