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【单选题】
下列关于综合指数的说法不正确的是（ ）。A.
综合指数是总指数的基本形式
B.
综合指数的编制方法是先综合后对比
C.
综合指数的使用前提是度量单位一致
D.
平均数指数是综合指数的变形
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【简答题】什么是电流继电器、电压继电器和中间继电器？中间继电器的作用是什么？
【简答题】时间继电器的作用是()，中间继电器的作用是()和()，信号继电器的作用是()，在继电保护装置中，它们都采用()式结构。
【单选题】Why did the girl want to make money?
A.
She wanted to buy a new bike.
B.
She wanted to go traveling.
C.
She wanted to have a dog.
【单选题】Why did Carolyn set up her own consultancy?
A.
She wanted to work independently
B.
She wanted to work on a greater variety of projects.
C.
She felt she could do better than the company she worked for
【简答题】时间继电器的作用是（），中间继电器的作用是中转和放大，信号继电器的作用是动作指示，在继电保护装置中，它们都采用电磁式结构。
【简答题】Why did the woman make the phone call? A) She wanted to chat with Wang Lin. B) She wanted to complain about their terrible after-sales service. C) She wanted to be an English telephone operator. D) Sh...
【简答题】说明中间继电器的作用。
【简答题】A．She wanted to buy something useful. B．She wanted to buy something extraordinary. C．$he wanted to buy something expensive. D．$he wanted to buy something valuable.
【单选题】- You were _____ about Jane. She really wanted to help you. - Sorry, I thought she wanted to laugh at me as usual. [ ]
A.
mistaken
B.
thankful
C.
wrong
D.
straightforward
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