下面关于优盘的描述中,错误的是______。A.优盘有基本型、增强型和加密型三种 B

题型:单项选择题

问题:

下面关于优盘的描述中,错误的是______。

A.优盘有基本型、增强型和加密型三种

B.优盘的特点是重量轻、体积小

C.优盘多固定在机箱内,不便携带

D.断电后,优盘还能保持存储的数据不丢失

考点:计算机等级考试B笔试一级B笔试
题型:单项选择题

坐、立位时腹膜腔最低点在男性是____,在女性是____。

题型:单项选择题

阅读理解。

     New York is a very large city with 8 million people. How do so many people move about the city on their

way to work and school? So, we should know something about its transport.

     In New York you can travel about the city by subway, bus, taxi and car. The subway runs on the railroad

lines under the city. It crosses the city at different points and goes to all parts of the city. Traveling by subway

is the fastest way to get around the city.

     The second way to travel around the city is by public bus. It's a slower way to travel. This is because the

bus moves in road traffic which is often heavy.

     You can also travel around the city by taxi. This is the most expensive way, but the taxi will take you to the

very place you wish to go to. If traffic is heavy, the taxi will be slow. During the mornings and afternoons,

there is the "rush hour". This is the time when the traffic is very heavy with people going to and from work.

     The last way to get around New York is using your own car. However, it's not easy for you to drive,

especially when you are driving in the "rush hour". If there is an accident on the road, you will have to wait for

a long time.

     The best time to travel around the city is from 9 a.m. to 4 a. m. This is the time after the morning "rush

hour" and before the evening "rush hour". Traffic will be less crowed because most people are already at

school or at work.

1. The text is mainly about _____.

A. the weather of New York

B. the transport in New York

C. the people in New York

D. traffic accidents in New York

2. The fastest way to travel in New York is by _____.

A. subway

B. taxi

C. bus

D. car

3. The most expensive way to travel in New York is by _____.

A. subway

B. taxi

C. bus

D. car

4. The phrase "rush hour" in the fourth paragraph means "_____" in Chinese.

A. 比赛中的冲刺时刻

B. 一小时内所跑的路程

C. (上下班)交通高峰时刻

D. 匆匆忙忙的一小时

5. It you travel around New York in your own car, which of the following is the best time?

A. From 8 a. m. to 10 a. m.

B. From 3 p. m. to 5 p. m.

C. From 10 a. m. to 5 p. m.

D. From 10 a. m. to 3 p. m.

题型:单项选择题

患者,男,26岁,患伤寒,体温在39~40℃以上持续了5d,且24h内体温波动范围不超过1℃,其热型为

A.稽留热

B.间歇热

C.弛张热

D.波状热

E.回归热

题型:单项选择题

陶瓷材料中最主要的组成相中,决定其理化性质的相是()。

A.晶相

B.玻璃相

C.气相

D.气孔

E.混合相

题型:单项选择题

专利无效宣告的效力是:()。

A.该专利自始无效

B.该专利自宣告之日起无效

C.该专利自提出专利无效请求之日起无效

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