常用的算法设计方法有：( ) Ⅰ．列举法 Ⅱ．归纳法 Ⅲ．递推 Ⅳ．递归．

What will our world be like in 2020? Maybe no one knows. Because we never know what will happen in the future. But it’s very interesting to make some predictions. Here are some exciting predictions.

Languages

English should still be the most popular language, but Chinese should be the second. Now, many foreign people are studying Chinese    A   their second language.

Water

①Water will become as expensive as oil because many rivers will disappear. We will haveto save water and pay more for clean water.

Education and Science

Students won’t go to school. They will stay at home and study online. Students from all over the world may study together    B   the Internet. We may eat more genetically (转基因) modified food. And more robots will be around us. ②Lots of danger housework will be done by them.

Living

People will live and work under the sea. Perhaps there will be big towns, factories and farms under the sea, too. Everyone will carry a pocket computer. ③computer, the, answers, will, all, the, to, their, people, problems, give. Everyone will have telephones in the pockets, too, and they will be able to talk to their friends all over the world.

任务一: 请在文中A、B 两处的横线上填入适当的单词。(每空一词)

小题1: A. _________    B. _________

任务二: 请将文中①处句子译成汉语。

小题2:________________________________________________________。

任务三: 请将文中②处划线句中的一个单词的错误用法找出，并改正在横线上。

小题3:________________________________________________________

任务四: 请将文中③处的斜体单词连成句子。

小题4:. ________________________________________________________.

任务五:  小题5:The passage is mainly talking about _________.

A．education and science

B．the school life

C．the life in the future

D．the most popular language

GMP培训的内容主要包括哪些？

如图所示为一质点从t=0开始由原点出发做直线运动的速度-时间图象，以下对该质点的说法正确的是（　　）

A．在2～3s内，质点做加速运动

B．t=3s时离原点最远

C．t=2s时离原点最远

D．t=4s时回到原点

防腐蚀衬里采用玻璃钢衬里，其施工方法包括( )。

A．手糊法

B．模压法

C．缠绕法

D．喷射法

E．粘贴法

突感胸骨后疼痛伴有胸闷、憋气患者，心电图见S-T段各导联均呈水平型下移达0.08mV，伴有T波倒置，以往心电图正常。最可能的诊断是（）

A.变异型心绞痛

B.急性心肌梗死

C.典型心绞痛发作

D.陈旧性心肌梗死

E.左心室劳损