某公司2009年度的净资产收益率目标为20%，资产负债率调整为45%，则其资产净利率

李先生于1998年1月1日购买一张公司债券，此债券的期限为10年，如果此债券当前价格为104元，面值100元，票面利率标为8%，则它的当期收益率为（）。

A.7%

B.7.32%

C.7.69%

D.7.91%

下列各项中，属于吸烟对人体产生危害的是（　　）

A．易引发癌症

B．易引发高血压

C．易引发冠心病

D．以上都是

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

我们知道，地球表面附近的物体所受的重力的大小与其质量成正比；那么月球表面附近的物体所受的重力的大小与其质量是否也成正比呢？若想通过实验进行研究，则：

（1）需要的实验器材：__________________________________________________________

（2）设计一个便于记录和处理实验数据的表格

必须施行的诊断治疗给病人造成痛苦时，医师

A．职业特殊性
B．理智坚持
C．医师义务
D．医师权力
E．尊重患者