单项选择题：哪个系统不使用方向舵伺服马达？A、方向舵助力（RUDDER BOOST） B、方向舵配

题型：单项选择题

An old man called Xie Liang, 80, has given free help to people who ask for directions for 8 years.

Every day, Mr Xie goes to Dongzhimen Bus Stop, and gives help to at least 1,200 people asking for directions. During holidays, the number may be even 3,500. There are more than 50 roads and streets meeting at Dongzhimen, and at least 100 thousand people pass by there daily.

The reporter of Beijing Youth Daily had an interview with Xie. At that time, he arrived at the bus stop and placed his little table with maps and guidebooks written by himself on it.

"Is it really free to ask you for the way?" said a person from southeast China

"Of course," answered Xie with a smile. "Quite a number of people have asked me the same question. I am a volunteer."

The reporter found that at least 5 people came to ask him for the way in a minute, and Xie told them the way patiently and gave every one of them a note with his words on it.Xie has a husky voice. People think that it's because of the result of the things he is doing.

Now Xie has encouraged several other volunteers to join him. Many people hope to do volunteering like Xie, but it's hard to do as well as he does.

小题1:Xie Lang directs the ways for people at the bus stop as .

A．a driver

B．a reporter

C．a guide

D．a volunteer小题2:During holidays, there may be ________ people a day asking Xie for ways.

A．5

B．1,200

C．3,500

D．100,000小题3:The old man helps others by .

A．calling a taxi for them

B．driving them to the right place

C．giving them maps or guidebooks to read by themselves.

D．telling them the right way or writing the way on a note.小题4:Which of the following is NOT TRUE according to the passage?

A．No other volunteers help Xie Liang now.

B．Xie Liang has written some guidebooks on his own.

C．People don’t need to pay Xie Liang for asking for directions.

D．Xie Liang’s voice is bad because he has to talk with so many people every day.

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哪个系统不使用方向舵伺服马达？A、方向舵助力（RUDDER BOOST） B、方向舵配

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