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【单选题】
那些网络模式可能含有Gs接口（）.A.
网络模式1
B.
网络模式2
C.
网络模式3
D.
网络模式4
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【简答题】命名或写出结构式
【简答题】命名或写出结构式
【简答题】命名或写出结构式
【单选题】My parents moved out of their old home sometime last year after they had celebrated their 50th year there.
A.
anniversary
B.
years old
C.
age
D.
wedding
【单选题】Housemaid Wanted I am in urgent need for a housemaid to look after my house and my 80-year old father. We want her to do cleaning and washing, and help do cooking. My family has six persons, we live i...
A.
To cook for his family
B.
To do some clean and washing work
C.
To teach his children
D.
To take care of his old father and look after the house
【简答题】命名或写出结构式
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