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【简答题】
今天的作业是mooc平台发布的4道作业,其中第1和第2题可以完成,剩余两道下次课结束可以完成。 学习通需要上传下面这道题,有穷集合计数问题。 题干: 在1~300之间的整数(包含 1和300),分别求满足以下条件的整数个数。 (1)同时能被3,5和7整除; (2)不能被3和5,也不能被7整除; (3)可以被3整除,但不能被5和7整除; (4)可以被3或5整除,但不能被7整除; (5)只被3,5和7之中的一个数整除。 此题10分,每小题2分。可以用图法,也可以用原理法求解。
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【单选题】they play all kinds of instruments and sing______
A.
Also
B.
Either
C.
As well
D.
As well as
【单选题】They play all kinds of instruments and sing ____.
A.
also
B.
either
C.
as well
D.
as well as
【单选题】I prefer a house in a small coast village to _____ in such a large city _____ Sydney. [ ]
A.
that; as
B.
one; as
C.
one; like
D.
that: like
【单选题】______is the largest populous city in Australia.
A.
Melbourne
B.
Perth
C.
Darwin
D.
Sydney
【简答题】Which city is from Australia? [ ] A . New York B. Beijing C. Tokyo D. Sydney
【简答题】任务型阅读。 Sydney is a young city with about 200 years’ history. But in Australia, it is the oldest city. Sydney is the most populous(人口稠密) city of Australia. The climate of Sydney is very good. It’s neit...
【单选题】They play all kinds of instruments and sing songs________.
A.
also
B.
as well as
C.
as well
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