问题 单项选择题

以下关于肌张力过强的描述哪项是错误的()

A.肌张力过强时的阻力包括动态成分和静态成分

B.肌张力过强动态成分为肌肉被动拉伸时神经性(反射性的)因素和非神经性(生物力学的)因素所致的阻力

C.肌张力过强的静态成分为神经性因素所致的阻力

D.中枢神经系统损伤后的肌张力过强是神经性因素和非神经因素共同作用的结果

E.痉挛与肌张力过强并非等同

答案

参考答案:C

解析:肌张力过强静态成分是肌肉从拉长状态回复到正常静息状态的势能,为非神经性因素。

阅读理解与欣赏
阅读议论文,完成1—5题。  
自然与艺术 
       大自然是丰厚而无私的。它不仅是人类家园物质生活的依存,还是人类精神生活的孕育者。
       如果说高尚的艺术是人类精神生活的摇篮,那么大自然则是一切艺术的母体,任何艺术在大自然的宽广博大的胸襟中,都得到了萌发和孕育。以我们最古老的《诗经》为例,它的开篇之作,就是抒写自然与人间爱情的情景融合之作:“关关雎鸠,在河之洲;窈窕淑女,君子好逑。”其中,前两句是描摹自然景色的,然后由景而进入人间情爱世界。试想,如果此诗没有前两句自然情景的烘托,只剩下后两句情爱表白,其诗就被抽去了意境的完美。世界最古老的艺术,如非洲的石雕——包括我国发现远古时期的岩壁画,大都是以夸张了的鸟、兽形象为蓝本——而这些被抒写于石壁上的偶像,无一不是来自远古蛮荒的大自然。
       大自然的功力,实在是奇伟而博大,它不仅创造人类,创造物质,还给人类的精神插上了飞天的羽翅。青年时代,我非常喜欢沈从文的小说《边城》,也深深为孙犁的小说《荷花淀》而动情。当时,我只认为这两位文学大师的作品,所以让我痴迷其中,是诗情的文字的魅力所致,待我有机缘去了湘西凤凰城和冀中水乡白洋淀之后,我才明白了两位大师的语言文字,是这方水土的绮丽景观给予的——湘西张家界气势雄浑的大山(在我印象里,那是充满阳刚的一座座“男儿山”),那在高山幽谷中碧如丝带、静静而流的猛洞河(在我印象中,她是一条充满阴柔情致的“女儿河);如果没有大自然孕生这片奇山丽水,沈从文先生笔下,能有风情如画的《边城》孕生吗?《荷花淀》的故乡白洋淀,也同样让我神往:时正秋日,芦花放白,水鸟啾鸣斜飞;穿梭于芦花荡中的舟桨,划破了水乡的沉静;睡在莲叶上的荷花,似睡似醒般地摇曳着粉色桃腮……试想,孙犁如果没有情钟于这田园风景的经历,会写出《荷花淀》那样的优美文本来吗?!
       俄罗斯大作家列夫·托尔斯泰,有一次坐马车行驶过草原,看见车轮碾过的野草,迅速地挺直了身腰,于是敏感地联想到从不屈服的高加索人反抗沙皇的英勇悲壮,从而创作出长篇小说《哈泽·穆拉特》;一株大自然的野草,居然成了点燃文学的星星之火。我国歌词作家乔羽,有一天看见一只蝴蝶飞进他的窗子,他立刻见景生情地写出了《思念》。作曲家谷建芬,将其谱写成一支撩人情思的歌曲。而无论是那些大车轮下挺直了身腰的劲草,还是那只闯进乔羽窗子的蝴蝶,都不是无名无姓——它们来自于大自然。
       根据人类对浩瀚宇宙的了解,除了地球之外,还没发现其他星球有生物存在,因而我们更应该珍惜我们的家园——它是物质的,也是精神的。
                                                                                             (摘自2003年1月21日《人民法院报》)
1.本文的论题是什么?作者要表达的论点是什么?
     论题:______________________________________________
     论点:______________________________________________
2.作者认为“关关雎鸠,在河之洲”这两句诗的作用是什么?
                                                                                                                                            
3.第2段以《诗经》、非洲石雕以及我国的岩壁画为例,是为了证明哪句话?
                                                                                                                                            
4.作者写自己喜欢沈从文和孙犁的作品的过程,是为了证明什么?
                                                                                                                                            
5.第4段中,哪两个词语表明作家是从大自然中受到了启发,从而创造了不朽的作品?
                                                                                                                                           
阅读理解

Learners of English, especially self-taught learners may have troubles in understanding speeches by native speakers. The following ways might help improve their listening ability.

First of all, do things step by step. It is not good to listen to something beyond your level. Better choose a proper course and start with the first book. Go on to the second book only after you are sure you understand the first one.

Secondly, stick to (坚持) one course of study. Don't change books often. Never let your attention be attracted (吸引) by another course just because it seems to be more "fashionable" (时髦).

Thirdly, listen to the English news program over the radio from time to time. Better go through the news stories in the Chinese-language newspaper first. That will make it easy for you to understand the English news on the radio.

Fourthly, if you have time, listen to some interesting stories in Special English from the V. O. A. or other listening materials(材料)of the same level as that of your textbook.

小题1:This is a piece of advice to learners of English on how to ______.

A.improve their listening ability

B.read fast

C.write better English and read faster

D.speak correctly小题2:If you want to understand the English news program on the radio, you should ________.

A.read the Chinese-language newspaper step by step

B.read again and again the Chinese-language newspaper

C.go through the Chinese-language newspaper

D.be able to recite the Chinese language newspaper小题3:"Beyond your level" means something _______.

A.easy for you

B.too difficult for you

C.not too easy and not too difficult for you.

D.just all right for you小题4:The author advised that once you have taken up a course, you ______.

A.should stick to it

B.should begin with the last book

C.should take up other courses if they are more fashionable

D.shouldn't do anything else