People are____. A: queuing B: arguing

先进先出队列（First In First Out Queuing，FIFO）把报文分为（）。

If only we _________ a phone. I’m tied of queuing outside the public phone box.

‌How does he spend a typical day?‏ A: Doing a temporary job. B: Watching television. C: Queuing up in the university careers service. D: Preparing for the next job interview.

How does he spend a typical day? A: Doing a temporary job. B: Watching television. C: Queuing up in the university careers service. D: Preparing for the next job interview.

As a result of developments in the last year, customers can now A: find out if goods are in stock before ordering them. B: collect their orders without queuing in the stores. C: order goods by telephone as well as in stores.

3. What may increase or decrease the latency inside the Internet? (What are the factors that might increase or decrease the latency of queuing, transmission, processing, and propagation, respectively?)3．哪些因素可能增加或减少互联网中的延迟？（有哪些因素可能分别会增加或减少排队，传输，处理和传播延迟？）

1) At the Shanghai Expo exhibition site people get to ____________ the exhausting long queuing lines. 2) As Shanghai is a dynamic, modern and international city you can find a lot of ____________ to see. 3) Except those big “brand-name” countries’ pavilions you can discover ________________ — midsized countries’ pavilions. 4) People find the ____________ in mid-sized countries’ pavilions quite beautiful and informative. 5) If you’re looking to learn more about a lot of countries in a short amount of time you can go to ___________