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【单选题】
以下 不是 ZigBee 的拓扑结构的是( )。A.
星型
B.
网状型
C.
树形
D.
总线型
手机使用
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反馈参考答案：
举一反三
【单选题】听力原文：W: Have you got a job waiting for you? M: No, I gave up my job when I came here. I worked in a shipping company, but it was documents, documents, all day long. So I decided I needed a change. Now...
A.
The shipping company.
B.
The travel firm.
C.
The firm dealing with documents.
D.
The firm with a lot of people.
【简答题】入户电缆YJV22-4*16的工程量是()m
【简答题】假设同一名称的产品有不同的型号和产地，则计算每种产品平均单价的SQL语句是（ ）。 A)SELECT产品名称，AVG(单价)FROM 产品 GROUPBY 单价 B)SELECT产品名称，AVG(单价)FROM 产品 0RDERBY 单价 C)SELECT产品名称，AVG(单价)FROM 产品 0RDERBY 产品名称 D)SELECT产品名称，AVG(单价)FROM 产品 GROUPBY 产品名...
【单选题】She was here for 15 years, but she never really_________.
A.
Belonging
B.
belonged to
C.
belonging to
D.
belonged
【简答题】I asked Diana why she came here seven years ago. She said she was looking for ____15____.
【简答题】入户电缆YJV22- 4*16的工程量是()m
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