正确答案： You can use the same closing sentences in formal and informal emails.

第七章测试

1. By handling potential undesirable situations， business travelers can develop their_________. （）

正确答案： problem-solving skills

2. If you travel by air， you are likely to be contributing to environmental pollution. （）

A、正确

B、错误

正确答案：A

3. Items such as spray paint and fireworks are not prohibited at security check. （）

A、正确

B、错误

正确答案：B

4. There is no need to put a power adapter in your suitcase before you travel to other countries because it is universal in most countries. （）

A、正确

B、错误

正确答案：B

5. In writing a formal business letter， writers should add a comma after complimentary close. （）

A、正确

B、错误

正确答案：A

第八章测试

1. Thanks to the technological advances， automated self-service systems can replace humans in handling customer care issues. （）

A、正确

B、错误

正确答案：B

2. Providing quality customer service is a win-win strategy for both businesses and customers. （）

A、正确

B、错误

正确答案：A

3. An online business can build customer trust if it can（）.

正确答案： add a physical address

4. An online customer community can be in the form of （）.

正确答案： wechat subscriptions |weibo group |message board |webinar

5. Replies to claims should always be courteous， even if the claim is unfounded. （）

A、正确

B、错误

正确答案：A

第九章测试

1. There are various etiquettes in the world， like church etiquette， drinking etiquette， concert etiquette， and so on. （）

A、正确

B、错误

正确答案：A

2. Mobile technology has led to the instant gratification generation and patience is no longer a virtue. （）

A、正确

B、错误

正确答案：A

3. To be efficient， you can check your e-mail messages anywhere， even in the elevator. （）

A、正确

B、错误

正确答案：B

4. Business formal is appropriate for the professions EXCEPT （）

正确答案： tech companies

5. The elements that should be included in business invitation writing are （）

正确答案： date， time， and venue of the business event |representative’s name， designation， and the name of the company |more details such as special guests or activities |reason or purpose of the business event

第十章测试