驾驶舱大多数按压灯电门有两个位置,如果一个白色OFF灯亮。()A.电门松出,且系统处

题型:单项选择题

问题:

驾驶舱大多数按压灯电门有两个位置,如果一个白色OFF灯亮。()

A.电门松出,且系统处于不工作状态

B.电门按进,且系统处于故障状态

C.电门按进,且系统处于工作状态

D.电门松出,且系统处于测试状态

考点:民用航空器维修执照考试A320系列飞机MEA320系列飞机ME题库
题型:单项选择题

补全对话通读对话,从所给的选项中选择句子完成对话,在答题卡上将该选项涂黑。

A: Hello, what are you looking at ?

B:   小题1:   . I’m planning to travel, so they sent me these to cheer me up.

A: That’s nice. Look, this postcard is from Beijing.  小题2:    .

B: Yeah, I’m sure it is. But Li Wei says it’s tiring to travel around the city.

A:   小题3:    .

B: Let’s see. That’s from Peter. He went to London last summer and went inside Buckingham Palace, where the queen of England lives.

A: Oh, it would be fantastic.

B: And this is a postcard of Bali Island. Paul was there last week. He says it’s very peaceful.

A:    小题4:    .

B: Um… this one. It’s from Disneyland. It’s so exciting. I’d really love to go.

A:     小题5:   . Maybe it could be a graduation present for you next year.

B: Yes. You’re right. I’ll try.

A. Just some postcards from friends.

B. Why not talk about it with your friends?

C. Where’s this one from?

D. How did he go there?

E. That’s a very interesting place to visit.

F. Of all, which postcard do you like best?

G. Who is he?

题型:单项选择题

在做“用油膜法估测分子的大小”实验中,油酸酒精溶液的浓度为每104mL溶

液中有纯油酸6mL,每1mL上述溶液中有液滴50滴,把一滴该溶液滴入盛水的浅盘

里,待均匀撒有痱子粉的水面稳定后,将玻璃板放在浅盘上,在板上描出油膜的轮

廓,随后把板放在坐标纸上,其形状如图5所示。已知坐标纸中每个正方形小方格

的边长均为20mm。则油酸膜的面积约为______m2,估测出油酸分子的直径_____m。

(结果保留一位有效数字)

题型:单项选择题

简述重庆工业经济发展存在的问题。

题型:单项选择题

关于EAPOL消息的有关描述中,错误的是()

A.EAPOL将EAP报文封装到以太网帧中

B.EAPOL认证发起帧由认证端发起

C.EAPOL认证不支持对EAP报文进行加密(Type=3EAPOL-Key:密钥信息帧,支持对EAP报文的加密)

D.EAPOL退出请求帧由认证端发起

题型:单项选择题

在通常情况下,VOR偏离由()

A.EHSI上的偏离杆显示

B.EADI上的偏离杆指示

C.RMI上的指针指示

D.RDDMI上的指针指示

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