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问题 单项选择题

关于电子商务，以下哪种说法是错误的

A． 电子商务可以使用户方便地进行网上购物

B． 电子商务可以使用户方便地进行网上交易

C． 电子商务可以使用户方便地进行网上支付

D． 电子商务活动要求用户利用PC机上网完成

答案

参考答案：D

解析：因特网上的电子商务是以计算机与通信网络为基础平台，利用电子工具实现的在线商业交换和行政作业活动的全过程。电子商务的应用主要包括电子商情广告、网上购物、电子支付与结算以及网上售后服务等。

单项选择题

In the United States, the first day nursery was opened in 1854. Nurseries were established in various areas during the (91) half of the 19th century; most of (92) were charitable. Both in Europe and in the U. S. , the day-nursery movement received great (93) during the First World War, when (94) of manpower caused the industrial employment of unprecedented numbers of women. In some European countries nurseries were established (95) in munitions (军火)plants, under direct government sponsorship. (96) the number of nurseries in the U.S. also rose (97) , this rise was accomplished without government aid of any kind. During the years following the First World War, (98) , Federal, State, and local governments gradually began to exercise a measure of control (99) the day nurseries by (100) them and by inspecting and regulating the conditions within the nurseries.
The (101) of the Second World War was quickly followed by an increase in the number of day nurseries in almost all countries, as women were (102) called upon to replace men in the factories. On this (103) the U. S. government immediately came to the support of the nursery schools, (104) $6,000,000 in July, 1942, for a nursery school program for the children of working mothers. Many States and local communities (105) this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared (106) in day-care centers receiving Federal (107) Soon afterward, the Federal government (108) cut down its expenditures for this purpose and later (109) them, causing a sharp drop in the number of nursery schools in operation. However, the expectation that most employed mothers would leave their (110) at the end of the war was only partly fulfilled.

A．sources

B．abundance

C．shortage

D．reduction
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单项选择题

下述“胃淋巴瘤”说法，错误的是（）

A.肾门水平以下淋巴结肿大是其与胃癌鉴别点之一

B.增厚的胃壁少有坏死、囊变

C.常有胃周脂肪、脏器受累

D.罕有“白、毛、僵”现象

E.胃是消化道淋巴瘤最好发部位
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