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【单选题】
动态临界速度大小主要取决于()A.
飞机重量
B.
滑行速度
C.
胎压和污染物的比重
D.
胎压
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反馈参考答案：
举一反三
【单选题】绿色信号灯
A.
表示存在危险性、紧急情况、机件失灵、出现故障、错误、停止
B.
表示危险性临近、处于边缘状态、警告、缓慢进行
C.
表示情况、性能发挥正常，数据在规定范围以内，处于安全状态
D.
表示系统准备就绪、操作顺利进行
【单选题】听力原文：M: Hello, National Express Courier Company, Customer Service Department. W: Hello, I have some questions about a package I'm going to send. Can you help me? M: Yes, ma'am. What would you like to ...
A.
She needs some information,
B.
She wants packing materials.
C.
She is checking her package.
D.
She is moving to California.
【单选题】红色信号灯______。
A.
表示存在危险性、紧急情况、机件失灵、出现故障、错误、停止
B.
表示危险性临近、处于边缘状态、警告、缓慢进行
C.
表示情况、性能发挥正常，数据在规定范围以内，处于安全状态
D.
表示系统准备就绪、操作顺利进行
【单选题】Desk Clerk ： Good afternoon, Holiday Inn. Customer： Hello, I’d like to book a double room for the nights of 23rd and 24th please. Desk Clerk ：__________
A.
What’s the matter?
B.
What can I do for you ?
C.
Just a minute, please.
D.
Can I help you?
【单选题】Cleck：Hello．__________?Customer：I‘d like to cash this check，please．
A.
How are you
B.
What do you want
C.
What are you doing
D.
What can I do for you
【单选题】听力原文：M: Hello, National Express Courier Company, Customer Service Department. W: 'Hello, I have some questions about a package I'm going to send. Can you help me? M: Yes, ma'am. What would you like to...
A.
Post office.
B.
Delivery company.
C.
Candy shop.
D.
Bank.
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