s={1,2,3},下列哪个选项可以把集合s的元素全部清空但是对象s不删除。 A: s.pop() B: s.clear() C: del s D: s.discard([1,2,3])
s={1,2,3},下列哪个选项可以把集合s的元素全部清空但是对象s不删除。 A: s.pop() B: s.clear() C: del s D: s.discard([1,2,3])
关于集合类型的操作，移除S中所有数据项的是（）。 A: S.pop( ) B: S.remove(x) C: S.discard(x) D: S.clear( )
关于集合类型的操作，移除S中所有数据项的是（）。 A: S.pop( ) B: S.remove(x) C: S.discard(x) D: S.clear( )
It’s going to clear ________ soon.
It’s going to clear ________ soon.
It’s clear that politicians are often______ in with their own interests.
It’s clear that politicians are often______ in with their own interests.
There’s a clear ________ between the dialects spoken in the two regions.
There’s a clear ________ between the dialects spoken in the two regions.
It’s no use ________ here worrying about it. Let’s go to the teacher to give a clear explanation.
It’s no use ________ here worrying about it. Let’s go to the teacher to give a clear explanation.
The idiom ______ is normally used to describe a person’s clear and energetic looks.
The idiom ______ is normally used to describe a person’s clear and energetic looks.
The telescope will be sending us clear pictures _______ it is above the earth's atmosphere.
The telescope will be sending us clear pictures _______ it is above the earth's atmosphere.
Other people’s look sheds a clear impact on the formation of our _____ .
Other people’s look sheds a clear impact on the formation of our _____ .
Was the teacher's ______ Clear A: explaining B: explained C: explain D: explanation
Was the teacher's ______ Clear A: explaining B: explained C: explain D: explanation