20、The passage is mainly about______.

将网上内容进行手工分类耗时太多，得到的搜索结果却不多。(result in)

企业会利用其商业计划书来寻求资金。(funding)

在显著的位置把所有销售和售后服务条款都写清楚。(dearly and prominently)

商业计划书的一个目的就是确定商机的市场可行性。(feasibility)

有必要按照重要性来排列信息。(rank…by)

(71)[To some extent, the online and offline worlds may merge.] Multi-channel selling could involve a combination of traditional shops, a printed catalogue, a home-shopping channel on TV, a phone-in order service and an e-commerce-enabled website. (72)[But often it is likely to be the website where customers will be encouraged to place their orders.]

(73) [One of the biggest commercial advantages of the internet is a lowering of transaction costs, which usually translates directly into lower prices for the consumer.] So, if the lowest prices can be found on the internet and people like the service they get t why would they buy anywhere else?

One reason may be convenience; another concern about fraud, which poses the biggest threat to online trade. (74) [But as long as the internet continues to deliver price and product information quickly, cheaply and securely, e-commerce will continue to grow.] Increasingly, companies will have to assume that customers will know exactly where to look for the best buy. (75) [This market has the potential to became as perfect as it gets.]

The firm is now showing a sign of return to_______. (profitable)

Heavy fighting has been going on after the guerrillas (游击队)had______ (launch) their offensive.

Do you have a_______( prefer) for sweet or spicy food?

Minerals can be absorbed and_____(utilize) by the body in a variety of different forms.