题目内容

多模光纤的信号传输性能优于单模光纤。( )

A. 对
B. 错

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A compound complex sentence always

A. always ends in an exclamation point
B. has two or more independent clauses and one or more dependent clauses.
C. starts with a conjunction

We discussed about Autumn during this class

A. True
B. False

Today’s lesson had a videos about

A. football
B. autumn in the USA and one in China
C. being a millionaire

Autumn can affect people

A. false
B. true

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