Internet shopping is a new way of shopping

题型:单项选择题

问题:

Internet shopping is a new way of shopping. Nowadays, you can shop for just about anything from your armchair. All you need is a computer which is linked to the Internet. Shopping on the Internet is becoming increasingly popular. In the United States, people spent over US $2.5 billion on Internet shopping in 1998. This figure is expected to reach US $11 billion by the year 2004.
People can shop for a variety of products on the Internet. Physical products include items such as books, CDs, clothes and food. These types of products are the most common purchases through the Internet. You can also buy information products such as on-line news or magazine stories, or you can download computer software through the Internet. Services such as booking airline tickets, reserving hotels or renting cars are also available on the Internet. You can also go shopping on the Internet for entertainment services and take part in on-line games.
Internet shopping offers a number of benefits for the shopper. The most important advantage is convenience. You can shop when you like as the on-line shops are open 24 hours a day and you don’t have to queue with other shoppers at the checkout counters. Secondly, it is easy to find what you are looking for on the Internet. Even out-of-print books may be ordered on line. Finally, it is often cheaper to buy goods through the Internet, and you can tell the shop exactly what you want.
The main disadvantage of Internet shopping is that you cannot actually see the products you are buying or check their quality. Also, many people enjoy shopping in the city and miss the opportunity to talk to friends. Some people are worried about paying for goods using credit cards, so Internet companies are now finding ways to make on-line payment safe.
Internet shopping is sure to become more and more popular in the years ahead. It promises to change the way we buy all kinds of things—from tonight’s dinner to a new car.

The most important advantage about Internet shopping is ______.

A. the speed the goods are delivered at
B. the reasonable price
C. the quality of the goods

D. the convenience it brings to you

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题型:单项选择题

女性,48岁。1年来反复于进食后上腹部不适,无明显腹痛,无厌油。查体:消瘦,贫血貌,舌炎。化验:HP(+)。

该患者可能伴有下列疾病,除外()。

A.Addsion病

B.溶血性贫血

C.桥本甲状腺炎

D.白癜风

E.恶性贫血

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A.感染性休克

B.中毒性休克

C.失血性休克

D.术后再次粘连梗阻

E.肠坏死

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患者男性,55岁。诊断为胃癌,拟在硬膜外阻滞下行胃大部切除术。术前检查:血糖14mmol/L,BP18.7/11.3kPa(140/85mmHg),P85次/分,尿糖卅,其他如心电、血常规、胸部X线片检查均未见异常。麻醉前给药不宜应用()

A.吗啡

B.地西泮

C.哌替啶

D.咪达唑仑

E.东莨菪碱

题型:单项选择题

最能说明休克已到晚期的是()

A.顽固性低血压,广泛出血

B.持续无尿

C.神志不清

D.呼吸困难,发绀

E.心率120次/分

题型:单项选择题

一10岁男孩突发急症气道,下列哪项紧急通气措施合适?()

A.环甲膜14G静脉套管针穿刺后用高频喷射呼吸机人工呼吸

B.环甲膜14G静脉套管针穿刺后用麻醉机间断快速充氧按钮喷射通气

C.紧急环甲膜切开置管,用高频喷射呼吸机工人呼吸

D.紧急气管切开置管,用高频喷射呼吸机人工呼吸

E.先插入喉罩通气,如不行再气管切开置管人工通气

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