题目内容

What is your plan for next weekend, Lucy? ---I ______ volunteer work in the museum.

A. was doing
B. did
C. will done
D. am going to do

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If you are going to have a journey, you had better _____ get it ready as soon as possible.

A. get
B. got
C. will get
D. gets

The general purpose oscilloscope is suitable for special-purpose applications.

A. 对
B. 错

The general purpose oscilloscope is used in servicing communications, scientific, or industrial work where the frequency of the signal to be observed does not greatly exceed 1000 kHz.

A. 对
B. 错

The signal travels directly to the vertical deflection plates of the Cathode Ray Tube (CRT).

A. 对
B. 错

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