问题 填空题

一棵大树在一次强台风中于离地面5米处折断倒下,倒下部分与地面成30°夹角,则这棵大树在折断前的高度是        米.

答案

 15

∵∠BAC=30°,∠BCA=90°,∴AB=2CB,而BC=5米,∴AB=10米,∴这棵大树在折断前的高度为AB+BC=15米

完形填空

A good teacher is one who remembers what it was like to be young. As he 1  himself in his student’s place, he is able to understand his  2  and they’re able to understand him.  3  ,he remembers that his students have a real   4  for knowledge. He therefore keeps up with 5  developments in his field so that his   6   are lively and up-to-date.

Secondly, he is   7  what it was like to be bored 8  ,so he will make an effort   9   interesting. He neither mumbles(含糊的说话)his material   10 reads it from old notes.

Instead, he 11  his lectures to follow by turns with discussion and make his   12  more active, spirited with examples.

Most important, a good  13  remembers how sensitive his feelings were   14 he was young. He knows how important his   15  can be and is never unkind or   16 critical. He also remembers that he   17  the instructors who asked the most   18 him. So he tries to be, in   19  ,the teacher he dreamed of   20  when he was young.

1.A.lay                         B.placed                       C.put                           D.made

2.A.pupils                    B.classmates                 C.fellows                     D.friends

3.A.The first                 B.One                          C.Above all                  D.First

4.A.thirst                      B.requirement               C.wish                         D.desire

5.A.the later                 B.the latest                   C.later                          D.the lateliest

6.A.materials                B.classes                       C.pupils                       D.teachers

7.A.sure                       B.known                      C.clear                         D.clever

8.A.at school                B.in school                   C.on duty                            D.in class

9.A.to do                      B.to be                         C.to have                      D.to get

10.A.or                        B.no                                   C.not                           D.nor

11.A.should make          B.could have                 C.would cause               D.might let

12.A.lecture notes         B.classes                       C.lessons                      D.words

13.A.teacher                 B.man                          C.student                      D.headmaster

14.A.so                        B.how                          C.and                           D.when

15.A.friendship             B.kindness                    C.subjects                     D.activities

16.A.necessarily            B.very                          C.unnecessarily             D.greatly

17.A.hoped                   B.respected                   C.longed                      D.wished

18.A.about                  B.to                             C.at                             D.of

19.A.words                   B.short                         C.word                         D.sentence

20.A.taking                  B.doing                        C.having                      D.being