【单选题】
冲压空气进气道只在压差值低于多少时才打开:___
A. 0.5 PSI
B. 1PSI
C. 1.25PSI
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答案
B
解析
暂无解析
相关试题
【单选题】
直接非精密进近时，使用自动驾驶的最低高度是：___
A. 500英尺
B. 相应的MDA(MDH)
C. 相应的MDA--100英尺(MDH--100英尺)
D. 无高度限制
【单选题】
载荷因素将自动限制为___
A. 缝翼收上时＋２.5g至-１g，缝翼伸出时+2g至0
B. 缝翼收上时＋２.0g至-１g，缝翼伸出时+2g至0
C. 缝翼收上时＋２.0g至-１g，缝翼伸出时+2.5g至0
D. 缝翼收上时＋２.5g至-１g，缝翼伸出时+2.5g至0
【单选题】
对减载功能描述哪项是正确的___
A. 当速度高于２５０kt，襟翼手柄在０位，正常或备用法则飞行方式时，减载功能可用
B. 当速度高于３００kt，襟翼手柄在０位，正常或备用法则飞行方式时，减载功能可用
C. 当速度低于２５０kt，襟翼手柄在０位，正常或备用法则飞行方式时，减载功能可用
D. 当速度高于２５０kt，襟翼手柄在１位，正常或备用法则飞行方式时，减载功能可用
【单选题】
正常情况下，可配平的水平安定面___
A. 由３个电动马达中的第一号马达驱动
B. 由３个电动马达一起驱动
C. 由２个电动马达中的第一号马达驱动
D. 由２个电动马达一起驱动
【单选题】
当ＰＲＩＭ１和ＰＲＩＭ２都失效时，升降舵和安定面由谁操纵___
A. 升降舵由ＰＲＩＭ３操纵，安定面由ＳＥＣ１操纵
B. 升降舵和安定面都由ＰＲＩＭ３操纵
C. 升降舵由ＳＥＣ１操纵，安定面由ＰＲＩＭ３操纵
【单选题】
在正常的方向舵电动控制中___
A. ＰＲＩＭ１控制蓝色液压传动，ＰＲＩＭ２控制绿色液压传动，ＰＲＩＭ３控制黄色液压传动
B. ＰＲＩＭ１控制黄色液压传动，ＰＲＩＭ２控制绿色液压传动，ＰＲＩＭ３控制蓝色液压传动
C. ＰＲＩＭ１控制绿色液压传动，ＰＲＩＭ２控制蓝色液压传动，ＰＲＩＭ３控制黄色液压传动
D. ＰＲＩＭ１控制绿色液压传动，ＳＥＣ１控制蓝色和黄色液压传动
【单选题】
方向舵由三个独立的液压传动装置来作动___
A. 正常工作时，３个传动以并联的方式同时工作
B. 正常工作时，３个传动以串联的方式同时工作
C. 正常工作时，１个传动装置工作，其余２个备分
D. 正常工作时，２个传动装置工作，其余１个备分
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【单选题】
Good morning, John. How are you doing?___
A. I'm pleased
B. Good night.
C. Not so bad. And you?
D. How do you do?
【单选题】
Hello, how are you?___
A. Hello, how are you?
B. How do you do?
C. Fine, thank you.
D. That's OK.
【单选题】
I didn't mean to do that. Please forgive me。___
A. Not too bad.
B. That's all right
C. It's a pleasure.
D. Thank you.
【单选题】
Thank you for your invitation.___
A. It doesn’t matter.
B. It's a pleasure.
C. It's a small thing.
D. I'll appreciate it.
【单选题】
What a beautiful dress you have on today!___
A. It is suitable for me.
B. No, it isn’t.
C. You want to have one, too?
D. Thank you.
【单选题】
I think he is a good lecturer.___
A. Sorry, it doesn’t matter.
B. So do I.
C. Yes. It's a good idea
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【单选题】
— What's the matter, dear?___
A. I didn't go to school.
B. I have a terrible headache.
C. I took the kids shopping today.
D. It is a beautiful dress.
【单选题】
Good morning, may I speak to Mark, please?___
A. Who's there?
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C. Who are you?
D. Who wants to speak to Mark?
【单选题】
Let me introduce myself. I'm Steward.___
A. What a pleasure.
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Let's go to the library this afternoon.___.
A. Yes, that's right.
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What does Tom's wife do for a living?___.
A. She is a doctor.
B. Tom loves his wife.
C. She has a happy life.
D. She lives far from here.
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How tall is your sister?___
A. She is not very well.
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What do you think of this novel?___
A. I've read it.
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How much is this necklace?___
A. It's very nice.
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How can I get to the cinema?___
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What's the matter, John?___
A. I failed my French test
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【单选题】
What are you majoring in?___
A. In a university.
B. Very hard.
C. Mathematics.
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【单选题】
Are you going on holiday for a long time?___
A. It was a long time.
B. Two weeks ago.
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【单选题】
What day is today?___
A. It's March 6.
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Is that seat taken?___
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【单选题】
Thank you for calling.___
A. Don’t mention it.
B. That's fine.
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【单选题】
How are you getting on today?___
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B. How do you do?
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【单选题】
How's your family?___
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B. Thanks for calling.
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【单选题】
- How is it that you are late for class again?___
A. Because I missed the bus
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【单选题】
- Excuse me. Could you spare me a few minutes? - ___
A. Of course.
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【单选题】
- It's very thoughtful of you to give me a ride. ___
A. It's my pleasure.
B. Take it easy.
C. Sure.
D. Never mind.
【单选题】
- This is heavy! What's in it? ___
A. I think you don't like it.
B. My new computer. I just bought it.
C. I'm glad you're here.
D. Are you really interested in it?
【单选题】
___ I'd like to place an order please.
A. Can I help you?
B. I can help you.
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【单选题】
- Do you know the girl over there?___
A. How can I know?
B. Yes, I remember it now.
C. It's Sam, my teacher's daughter.
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【单选题】
- Shall we go out for dinner tonight?____
A. No, you can't.
B. Yes, please.
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- I think the reference book（参考书）is very helpful.____
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- I wish you success in your career.____
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- Thanks for inviting me, John, but I've already made other plans. ____. Maybe another time.
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- Thanks for the lovely party and the delicious food. ____
A. No, thanks.
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【单选题】
- Why didn't you tell me? ____
A. Sorry, I forgot.
B. I'm sorry you should wait.
C. I don't know.
D. I'd love to.
