220kV油浸式互感器末屏tanδ测量电压为（）。

根据以下两位好朋友在网上的聊天记录，选择最佳选项。

Mary 09:45:10

Hi, Jim. Nice to meet you!

I'm a girl. My name is Mary Green. My favorite color is red. My telephone number is 873-3516.

Jim 09:46:05

Hi, Mary. Nice to meet you, too!

I'm a boy. My name's Jim Hand. My favorite color is blue. And my telephone number is 894-2015.

1. Mary likes ________.

A. Red

B. Green

C. Blue

D. Black

2. The boy's first name is _______.

A. Jim

B. Mary

C. Black

D. Green

3. Jim's telephone number is _______.

A. 837-2015

B. 873-3516

C. 894-3516

D. 894-2015

4. The two kids (小孩) are on line (在网上) ________.

A. in the morning    

B. in the afternoon

C. in the evening        

D. at night

易复发，可恶变的颌骨囊肿是

A．根端囊肿

B．始基囊肿

C．含牙囊肿

D．角化囊肿

E．外渗性囊肿

SS8型电力机车低压试验准备工作之一：总风缸风压不低于700kPa，当风压不足时，先将26QS置（）位，15QS置试验位（中间位）。

3~5星级宾馆、饭店噪声标准应≤45（dB）。

购销模式