题目内容

供料单元所选用的控制器型号(PLC)为三菱公司______________。()

A. FX3U-48MT
B. FX3U-48MR
C. FX3U-32MT
D. FX3U-32MR

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供料单元安装与调试的工作过程按如下的顺序:机械部件安装→气路连接及调整→电路接线→传感器调试、电路校核→编制PLC程序及调试。 ( )

A. 对
B. 错

Task 1: There are five short dialogues about space explorations. Listen carefully, and choose the best answer to each question.Q: What is the lecture going to be about?[音频]

A. The first rocket to be launched into outer space.
B. The first human in outer space.
C. The first animal in outer space.
D. The first human to land on the Moon.

Task 1: There are five short dialogues about space explorations. Listen carefully, and choose the best answer to each question.Q: Which two nations are beginning to make contributions to the development of space exploration?[音频]

A. Russia and the United States.
B. Russia and China.
China and India.
D. The United States and China.

Task 1: There are five short dialogues about space explorations. Listen carefully, and choose the best answer to each question.Q: What were the first animals to be launched into space?[音频]

A. Dogs.
B. Fruit flies.
Cats.
D. Monkeys.

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