单选题What will a host probably say to a guest at the start of a meal?A “Can I help you?”B “Eat slowly!”C “Help yourself!”D “Could you serve me?”

题目

单选题

What will a host probably say to a guest at the start of a meal?

“Can I help you?”

“Eat slowly!”

“Help yourself!”

“Could you serve me?”

参考答案和解析

正确答案： D

解析：
本题是细节题。由左上角的“A guest will be invited to serve himself (“Help yourself”)”可知，用餐时，主人常常让客人自便。答案为C项。

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相似问题和答案

第1题：

在KVM类型的虚拟化中,以下描述正确的是()

A、Guest OS可以是Windows

B、Guest OS可以是Linux

C、Host OS可以是Windows

D、Host OS可以是Linux

参考答案：ABD

第2题：

In some(), the guest and host would pay their own check.

A、instances

B、information

C、injections

D、influences

参考答案：A

第3题：

195. Arabs consider it extremely bad manners to start talking business immediately. Even the busiest government officials always take extra time to be polite and offer refreshments. No matter how busy you are, you should make time for this hospitality. The conference visit is a way of doing business throughout the Arab world. Frequently, you will have to discuss your business in the presence of strangers, who may or may not have anything to do with your business. Do not be surprised if your meeting is interrupted several times by people who come into the room unannounced, whisper, or speak softly to the person with whom you are talking, and leave. Act as though you do not hear, and never show displeasure at being interrupted. When an Arab says “yes”, he may mean “maybe”. When he says “maybe”, he probably means “no”, you will seldom get a direct “no” from an Arab because it is considered impolite. Instead of “no”, he will say “inshallah”, which means, “if God is willing”. On the other hand, ‘‘yes” does not necessarily mean “yes”. A smile and a slow nod might seem like an agreement, but in fact, your host is being polite. An Arab considers it impolite to disagree with a guest. [共5题]

(1) The main purpose of this article is to explain ________.

(A) why you need extra time when you visit Arab countries

(B) how to be polite when doing business in the Arab world

(D) what Arabs say when doing business

(2) According to the passage, which of the following would be considered polite?

(A) You leave angrily because of interruptions.

(B) You demand an immediate decision.

(D) You look out of the window while a stranger comes in to speak with the host.

(3) From the passage, we know that ________.

(A) when an Arab wants to say “yes”, he often says “maybe”

(B) all Arab seldom disagrees with a guest to his face

(D) “inshallab” is an English word

(4) Which of the following is NOT an Arab custom?

(A) To dislike being interrupted during their meeting.

(B) Often to give you a vague answer.

(D) Seldom hesitate to start talking business in the presence of strangers.

(5) The writer of this passage has probably ________.

(A) never been to the Arab world

(B) been against the Arab customs

(D) liked the Arab customs

正确答案：B D B A C

第4题：

What is the man most probably going to do 怎么回答

短语

M: What do I have to do to apply for a passport?

W: You need proof of citizenship, either an old passport or a birth certificate and three photographs. Then you must complete this form and pay a fee.

Q: What is the man most probably going to do?

是听力吧？这样我做不了。

第5题：

–– Zhao (guest): That was a delicious dinner.

–– Mr. Murray (host):____. Would you like to go to the li ving room now? It ’s more comfortable there.

A: I'm glad you enjoyed it

B: Thank you. Don ’t mention it

C: You're welcome

D: Not so delicious, I'm afraid

参考答案：A

第6题：

-- Do you want me to help you?

-- _____

A. What did you say?

B. Repeat it.

C. I'm sorry, but I didn't catch what you said.

D. Please say that again.

参考答案： C

第7题：

host molecule and guest molecule

正确答案：host molecule and guest molecule：主分子和客分子包合物由主分子和客分子两种组分组成具有包合作用的外层分子称为主分子被包合到主分子空间中的小分子物质称为客分子。
hostmoleculeandguestmolecule：主分子和客分子,包合物由主分子和客分子两种组分组成,具有包合作用的外层分子称为主分子,被包合到主分子空间中的小分子物质称为客分子。

第8题：

关于HostMachine和Guest Machine关系描述正确的是()

A、使用了虚拟化技术后，一台Guest Machine可以同时使用多台Host Machine的资源

B、使用了虚拟化技术后，一台Guest Machine只能运行在创建它的Host Machine上

C、使用了虚拟化技术后，一台Host Machine只能运行一个Hypervisor

D、使用了虚拟化技术后，一台Host Machine上能够运行多台Guest Machine

参考答案：CD

第9题：

A receiving host has failed to receive all of the segments that it should acknowledge.

What can the host do to improve the reliability of this communication session?

A．Start a new session using UDP

B．Obtain a new IP address from the DHCP server

C．Use a different source port for the session

D．Decrease the sequence number

E．Decrease the window size

正确答案：E
解析：Explanation:
A TCP window the amount of outstanding (unacknowledged by the recipient) data a sender can send on a particular connection before it gets an acknowledgment back from the receiver that it has gotten some of it.

For example if a pair of hosts are talking over a TCP connection that has a TCP window size of 64 KB (kilobytes), the sender can only send 64 KB of data and then it must stop and wait for an acknowledgment from the receiver that some or all of the data has been received. If the receiver acknowledges that all the data has been received then the sender is free to send another 64 KB.

One way to improve the reliability of the TCP connection is to reduce the window size that the receiver needs to receive before sending an acknowledgement. However, this will reduce throughput as more segments and acknowledgements will need to be sent in order to transfer the same amount of data.

第10题：

Which of the following is the correct term for a virtual machine?()

A. Hypervisor

B. Guest OS

C. Virtual Center

D. Host OS

参考答案：B

What will a host probably say to a guest at the start of a m

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