题干

十九世纪四十年代以前,西医外科手术都是在没有麻醉的情况下进行的,不仅增加了病人的痛苦,甚至会导致昏厥、休克和死亡。实现“刀下无痛”,一直是医学界的梦想之一。一代又一代的医生尝试用各种不同的方法,尽可能地减轻病人外科手术的痛苦,但效果都很有限。直到化学止痛剂一氧化二氮和乙醚的发现、成功使用和推广,医学才真正进入了无痛手术时代。上述材料说明 
①实践是社会性历史性的活动      ②认识是适应实践的需要产生的 
③实践是客观见之于主观的活动   ④获得正确的认识意味着认识过程的结束  

A:①②

B:①③

C:②③

D:②④

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A

同类题4

根据短文内容, 从下面方框内的七个选项中选出五个还原到短文中, 使原文句子通顺, 结构完整。

A. He also wrote the sport's official rules.

B. Soccer is the world's favorite sport.

C. Playing soccer is good for your health.

D. But one reason is how simple the sport is.

E. People love soccer as well as their countries.

F. It's hard to say where soccer's birthplace is.

G. Soccer performances are pleasing to the eyes.

    ____ It has around 3 billion fans—nearly half the world's population! And about 300 million people play this game. That's 4 percent of the world's population!

    ____ Many people in old days played the early form of this modern game. Cuju(蹴鞠), a ball-kicking game in China, was reported as early as 2, 500 B. C.  Around the same time in Greece, people were also playing a similar ball game without using their hands.

But modern soccer didn't become official(官方的)until 1863. An Englishman called Cobb Morley introduced the idea of a soccer association(联盟). ____ From then on, other associations in the countries were set up. They came together—to make up the FIFA, which organizes the World Cup.

It's not easy to tell what makes soccer so popular. ____ Soccer needs only two feet and a ball. This makes it a sport that developing countries can play easily. Some of the sport's best players come from these poor nations. 

    ____ The sport's no-hands rule makes beautiful dance—like movements on the field. What's more, this sport excites the heart. Teams might score only a few times each match, so matches can turn around suddenly.

     No one knows who will win at the next World Cup. But one thing is certain: The world will be watching.