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【判断题】
纱线是由纤维构成的。A.
正确
B.
错误
手机使用
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反馈参考答案：
举一反三
【简答题】part two C
【单选题】Valencia is in the east part of Spain. It has a port on the sea, two miles away from the coast. It is the capital of a province that is also named Valencia. The city is a market centre for what is pro...
A.
One
B.
Two
C.
Three
D.
Four
【单选题】以下关于基本速率标准的描述中,错误的是
A.
T1载波速率是针对脉冲编码调制PCM的时分多路复用TDM设计的
B.
T1载波速率是1.54Mbps
C.
E1载波速率是2.048Mbps
D.
STM1速率是51.84Mbps
【简答题】Part B Below are two pictures about online chat between two old people, look at the pictures and write an essay about 120 words reference to the following points: 1. description of the two pict...
【单选题】Valencia is in the east part of Spain. It has a port on the sea, two miles away from the coast. It is the capital of a province that is also named Valencia. The city is the market centre for what is p...
A.
markets
B.
business
C.
factories
D.
farming
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