采用背俞穴治疗骨蒸潮热，应首选

When you are suspicious of the website, check it out before you pay any money.(翻译)

A.当你怀疑的时候，你要检查支付的网站。

B.当你觉得网站可疑，支付之前要严加核实。

C.当你怀疑支付的金额时，要留意相关网站。

听力原文： Hello, you have reached Laser Electronics Repair. The office is closed today for the civic holiday, but will reopen tomorrow for regular business hours. Our hours of operation are 9 o'clock to 5 o'clock, Monday through Friday. If you need to speak to one of our telephone operators, please call back during regular hours or you may also check our website for helpful instructional guides. Customers can also check the website for the addresses, account information, hours of operation, and location of the Laser Electronics Repair store nearest you. Thank you and have a nice day.

Who is the message probably for？

A．Employees of the company

B．Subcontractors of the company

C．Other laser electronics stores

D．Customers inquiring about repairs

听力原文：What will the attendant ask you to show her when you check in？

What will the attendant ask you to show her when you check in？

Your ______ ticket and airport-tax receipt.

A．link

B．traffic

C．spam

D．website

听力原文：When does the library close today？

(A) You can check it at the entrance.

(B) You can check them out at the circulation desk.

(C) It's closed for the holiday.

(21)

A．

B．

C．

A、When you deliver the drinks

B、When you explain the menu specials

C、When you do the quality check

D、None of the above

A、to

B、for

C、with