问题 解答题
若关于x的分式方程
m
x-2
+
1
4-x2
+2=0
有增根x=2,求m的值.
答案

分式方程去分母得:m(x+2)-1+2(x+2)(x-2)=0,

将增根x=2代入得:4m-1=0,

解得:m=

1
4

综合题

阅读下列材料:

材料一 惟泰西国数极多,情势各异,文字政俗,与我迥殊,虽欲采法之,译书既难,事势不合,且其富强精巧,皆逾我百倍,骤欲致之,下手实难。惟日本文字政俗皆与我同,取泰西五百年之新法,以三十年追摹之,始则亦步亦趋,继则出新振奇,一切新法,维妙维肖……

——康有为《日本变政考》

材料二 在变法运动高涨期间,光绪皇帝亲自书写谕条,命令……商议中日两国亲交事宜。这位紫禁城里的年青帝王甚至还……要派康有为赴日本“坐探变法事宜”。不言而喻,一心一意欲有所作为的光绪皇帝已经把明治天皇当作自己推行新法的楷模。

——孔祥吉、村田雄二郎《罕为人知的中日结盟及其他——晚清中日关系史新探》

材料三  康有为等改良派……于1895年8月在北京创办《中外纪闻》,……9月,在康、梁的帮助下,帝党官僚文廷式出面组织强学会……强学会的活动与《中外纪闻》的发行,推动了维新变法运动的发展,也引起顽固势力的忌恨和惶恐,后党官僚荣禄、刚毅等人群起反对……慈禧太后亦严责光绪帝下诏查封强学会和《中外纪闻》,将文廷式驱逐回籍。

——张岂之主编《中国历史·晚清民国卷》

材料四 戊戌变法期间,光绪皇帝共计发布变法诏令184条,包括政治、经济、文化教育等各个方面。对此,时任海关总税务司的赫德指出:“他们把足够的东西不顾它的胃量和消化能力,在三个月之内,都填塞给它吃了。”                    

——《中华帝国对外关系史》

请回答:

(1)材料一中,康有为提出了怎样的观点?他提出这一观点的依据是什么?

(2)光绪帝决心把明治天皇当作自己推行新法的楷模,请从材料二中举证说明。

(3)根据材料三、四,分析戊戌变法最终失败的原因。

阅读理解

阅读理解

     People who like travelling have their reasons.They believe that travelling can help them expand their

field of view, especially in the geographical and historical sense.They also think that touring will give them

more chances to enjoy different kinds of food and experience new things  that would never be  brought

by other activities.But those who dislike travelling also have some reasons.

     Travelling, in my opinion, does more good than  harm.Most importantly, it broadens (使扩大) our

mind.We can get in touch with other civilizations (文明), cultures, customs and ideas.

     Through history, most people travelled because of necessity (必要性)-not for pleasure.People

travelled just in order to remain alive.They searched for food to eat or places to live in.They sometimes

ran away from enemies.This is not to say that no one ever travelled just for the fun of it.In ancient times,

for  example, rich Romans travelled all the way to Greece to take part in the Olympic Games, and

festivals.Of course, some people decided to travel just out of curiosity (好奇心). They wanted to find

out what it looked like beyond the horizon  (地平线). Also business travel has been going on for

centuries.Traders could not only make money but also learn to speak several languages and be

introduced to different cultures.

     So, travelling does enrich our mind and draw new ideas to us.There is no doubt that we can get much

from it.

1. The underlined word "expand" in Paragraph 1 can be replaced by "________".

A. widen  

B. protect  

C. lose  

D. decide

2. According to the passage, in the past most people travelled________.

A. for fun  

B. for knowledge

C. to get experiences  

D. to make a living

3. How many reasons for travelling are mentioned in Paragraph 3?

A. Three.  

B. Four.  

C. Five.  

D. Six.

4. In the writer's opinion, travelling can be________.

A. expensive

B. funny      

C. helpful    

D. tiring

5. What's the main idea of this passage?

A. Different kinds of travelling.

B. Travelling enriches our mind.

C. Ways to enjoy yourself while travelling.

D. The advantages and disadvantages of travelling.