问题 填空题

学校为了考察我校七年级同学的视力情况,从七年级的10个班共540名学生中,每班抽取了5名进行分析,在这个问题中,总体是______,个体是______,样本是______,样本的容量是______.

答案

由题意得,总体是:该校七年级同学的视力情况;

个体是:该校七年级每个同学的视力情况;

样本是:七年级的10个班中,每班被抽取5名学生的视力情况;

样本的容量是:5.

故答案为:该校七年级同学的视力情况;该校七年级每个同学的视力情况;七年级的10个班中,每班被抽取5名学生的视力情况;5.

完形填空

If you are human, you can’t help but experience times when everything seems to be going wrong .You must also  21  as if your life is completely out of control at times.It is during those “down times” that words of encouragement from family, friends, co-workers or  22  strangers can boost (增强) your spirits.It is also during those  23  that destructive words can be devastating (毁灭性的) and sink you deeper and deeper into depression.

For example, consider this story about a group of  24  who were traveling through the woods when  25  of them fell into a deep pit (坑).All of the other frogs gathered around the  26 .When they saw how  27  the pit was, they told the two  28  frogs they would never get out.

The two frogs didn’t obey what other frogs said and tried to  29  out of the pit.The other frogs kept telling them not to jump,  30  it was in vain.Finally, one of the frogs followed what the other frogs were saying and simply 31 .He fell down and  32 .The other frog continued to jump as   33  as he could.Once again the crowd of frogs shouted at him to  34  the pain.The more they 35 , the harder he jumped and finally he  36  to safety.

When he  37 , the other frogs asked him why he continued to jump when they were all  38  him to simply quit.The frog  39 to them that he was a little bit deaf.He thought they were  40 him all the time.

21.A.think B.experience    C.seem D.feel

22.A.so   B.just   C.even      D.ever

23.A.processes        B.times     C.courses   D.practices 

24.A.frogs     B.mice      C.dogs      D.cats

25.A.two   B.three      C.many     D.few

26.A.hole       B.pit     C.water    D.well 

27.A.muddy     B.wide        C.deep      D.long

28.A.uncomfortable        B.unpleasant     C.unhappy   D.unfortunate

29.A.run   B.walk        C.climb       D.jump 

30.A.so   B.since        C.because     D.although 

31.A.gave out B.gave up  C.gave away       D.gave off

32.A.died       B.wounded       C.destroyed        D.damaged

33.A.fast B.hard       C.easily       D.swiftly

34.A.help  B.ban       C.stop       D.forbid

35.A.cried       B.spoke       C.shouted     D.read

36.A.get it     B.forget it   C.use it       D.made it 

37.A.turned out       B.kept out   C.got out         D.held out

38.A.talking to      B.shouting at       C.throwing at         D.speaking to

39.A.explained  B.announced       C.introduced       D.told 

40.A.encouraging  B.helping    C.pulling   D.dragging

单项选择题