室外蝶形引入光缆长度不宜超过()m,且最大跨距或下线杆至第一个支撑点的跨距不应超过(

题型:单项选择题

问题:

室外蝶形引入光缆长度不宜超过()m,且最大跨距或下线杆至第一个支撑点的跨距不应超过()m。

A.50,150

B.100,100

C.150,50

D.200,10

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题型:单项选择题
阅读下面短文,补全表格中所缺的信息。
Hi! I’m Jack from New York. I am 15 years old. I’m in No.7 Middle School to learn Chinese. I can speak and write Chinese! I think I can be a Chinese teacher one day(某一天).
I like to swim best. Li Ling is my friend. she is a Chinese girl. She is 14. Li Ling is in my school, too. She thinks she may be a painter. Because she likes painting very much. She can paint well. Basketball is her favorite sport. She thinks it’s very interesting.
Name
Jack
Li Ming
Age
Fifteen
小题1:_____
Country
小题2:________
China
小题3:_____
To be a Chinese teacher
小题4:_____
Favorite sport
小题5:________
Basketball
题型:单项选择题

右图是张乐平先生1938年5月创作的漫画,其创作意图是

A.庆祝日本侵华计划破产

B.呼吁国共合作共赴国难

C.坚定全面抗战必胜信念

D.歌颂军民合作首战告捷

题型:单项选择题

在中版《潮汐表》的往复流“潮流预报表”中,可查得()。

Ⅰ.转流时间;Ⅱ.最大流速及其时间;Ⅲ.涨潮流流速;Ⅳ.落潮流流速;Ⅴ.涨落潮流流向。

A.Ⅰ~Ⅴ

B.Ⅰ~Ⅳ

C.Ⅰ,Ⅱ,Ⅴ

D.Ⅰ,Ⅲ,Ⅴ

题型:单项选择题

城市化的动力机制。

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溶解度和溶度积的定义各是什么?差异是?

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