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【单选题】
在下列网络拓扑结构汇总,具有一定集中控制功能的网络是()。A.
B.
C.
总线型
D.
环型
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【简答题】We usually have three meals. We have breakfast, lunch and supper. We often have more time for lunch and supper, and we eat a big lunch or supper. But a good breakfast is very important (重要的). It’s eas...
【单选题】We often have to stay up for our study though we___ to have enough sleep.
A.
told
B.
have told
C.
are told
D.
are telling
【简答题】请在下课时把自己学习的过程截图上传
【单选题】—Your brother often disagrees with you, __________ he? —__________. We often have different opinions. [ ]
A.
does; Yes
B.
doesn’t; Yes
C.
does; No
D.
doesn’t; No
【单选题】We often have sports after class, and I like to play _____ basketball.
A.
a
B.
an
C.
the
D.
/
【单选题】We often have to stay up for our study though we to have enough sleep. [ ]
A.
told
B.
have told
C.
are told
D.
were told
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