问题 选择题

下列哪项与鲫鱼的水中生活无关?(  )

A.身体呈现梭形

B.身体上长有鳍

C.身体分为头部、躯干部、尾部

D.用鳃呼吸

答案

答:鱼类与水中生活相适应的特点从答案设计可做如下

A;身体呈梭形,体表有鳞片,分泌粘液,减少运动时的阻力,故与水中生活相适应.

B;身体上长有鳍,胸鳍、背鳍、腹鳍能维持身体平衡,尾鳍决定鱼体运动方向,因此能很好的完成鱼类在水中游泳时的协调工作,故与水中生活相适应.

D;用鳃呼吸,溶有氧的水进入鳃丝的血管,而二氧化碳由鳃丝排到水中,因此能完成鱼类在水中的呼吸,故与水中的生活相适应

故本题可用排除法选:C

完形填空

第一节完形填空(共15小题;每小题2分.满分30分)

阅读下面短文,掌握其大意.然后从1—15各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。

Entering the drama room I am immediately surrounded by the familiar sights, smells and sounds. Streaks(条纹,线条) of light cast by the blinds of the tall ___1___  send shafts(杆状物) of light through the dusty air. I take a deep breath and the concrete and paint ___2___ tickle my nose. I ___3___ everything about this room.

Some of the best times of my life have been spent here. It’s ironic(讽刺的), but the ___4___ is the only place where I feel that I don’t have to __5 ___ to be someone I’m not. Like many teenagers, I almost ___6___ think that people are judging me, but when I act, that feeling disappears.  People only look at your acting ability, not your clothing, money, choice of friends, or any of the other ways people are usually ___7  ___.

When I’m on stage, everything else vanishes(消失). All the worries and  __8  ___ of the outside world are put on hold. Nervousness is still present, but it’s the excited and tingly kind, not the queasy(不稳定的) ___9  ___ of being different and alone.

I ___10___ love to work backstage and on lighting. I ___11___ you could find another girl who would work on a ladder ___12___ her elbows in cables and dust and love every second of it. It makes me unique and gives me a sense of ___13___ to know that I succeed in an area where few others — and virtually(事实上) no girls — do.

High school is a difficult atmosphere, to put it ___14___. Like others, I’m often insecure(不安的), not ___15___ who I am or where I’m going in life. Wherever that may be, I will always have the confidence I get from theater.

1. A. doors                B. windows         C. roofs             D. walls

2. A. smells          B. tastes           C. sounds           D. looks

3. A. hate                    B. love             C. miss              D. forget

4. A. room           B. office           C. building         D. stage

5. A. pretend         B. expect           C. want              D. decide

6. A. hardly         B. seriously         C. constantly         D. happily

7. A. thought of       B. judged                C. taken care of      D. feeling

8. A. happiness         B. anxieties          C. chances         D. pressures

9. A. feeling         B. idea             C. hope              D. fact

10. A. seldom         B. almost          C. relatively           D. absolutely

11. A. hope          B. doubt           C. think             D. suspect

12. A. up for          B. out at           C. up to             D. down to

13. A. pride           B. duty             C. humor           D. sight

14. A. cruelly         B. tensely                C. friendly         D. mildly

15. A. fond of         B. afraid for        C. sure of          D. interested in

多项选择题