屈前臂的主要肌肉有（）肌、（）肌、（）肌和（）肌等

成功离不开勇敢，勇敢需要自信。[ ]

I got my first real job when I was ten.My dad,Benjamin,injured his back when working in a cardboard-box factory and was retrained as a hairstylist.He   1  space in a little strip mall and gave his shop the fancy   2  of Mr.Ben’s Coiffure.The owner of the shopping center gave Dad a on his rent for cleaning the parking lot three  4  a week,which meant getting up at 3 am.To  5   rubbish,Dad used a little machine that looked like a lawn mower.Mom and I 6  

garbage cans and picked up litter by hand.   7  took two to three hours to clean the lot.I’d  8

in the car on the way home.

I did this for two years,  9 the lessons I learned there have lasted a lifetime.I  10 discipline and a strong work ethic,and learned at an early age the importance of   11  life’s competing interests —in my case,school, homework and a job.This really 12 during my senior year of high school,   13    I worked 40 hours a week flipping (翻动) burgers at a fast-food joint while 14 a full load of college-prep courses.

The hard work   15  off.I attended the US Military Academy and went on to  16   graduate degrees in law and business from Harvard. Later,I   17  a big Los Angeles law firm and was elected to the California State Assembly.In these  18  and in everything else I’ve done,I have never forgotten those nights in the parking lot.The    19  taught me that there is dignity in all work and that if people are working to   20  for themselves and their families,that is something we should honor. 

1. A.bought           B.had          C.rented                         D.built

2. A.sign               B.mark         C.name                   D.board

3. A.discount         B.bill        C.praise                  D.punishment

4. A.days               B.hours         C.mornings             D.nights

5. A.make up           B.fill up    C.pick up                     D.take off

6. A.emptied                 B.collected C.carried                   D.filled

7. A.This               B.That      C.I                   D.It

8. A.cry                        B.laugh    C.complain               D.sleep

9. A.though                  B.but       C.so                   D.then

10. A.acquired              B.wanted        C.liked                   D.called

11. A.gaining                B.balancingC.avoiding            D.abandoning

12. A.worked                B.did      C.happened                     D.helped

13. A.then                    B.when     C.while                   D.as

14. A.having                 B.joining    C.taking                 D.doing

15. A.paid                    B.took      C.laid                     D.kicked

16. A.ask                  B.seek     C.accept                    D.receive

17. A.went                    B.joined     C.opened                D.charged

18. A.ways                   B.jobs      C.schools               D.firms

19. A.lessons                 B.memoryC.experience                  D.teachers

20. A.support                B.earn      C.give                           D.provide

血液能运输CO₂的主要原因是（）

A.HbO₂的解离

B.HbO₂解离后酸度降低

C.H₂CO₃能解离为H⁺+HCO₃^-

D.Hb能结合CO₂而成氨基甲酸血红蛋白

E.红细胞内存在碳酸酐酶

对于子宫肌瘤合并妊娠，下列哪项是不恰当的（）

A.妊娠期肌瘤明显增大

B.合并红色变性，一般采用保守治疗

C.不孕的发生率高

D.产后出血发生率高

E.分娩期易致难产，宜常规行剖宫产

班级授课制的优缺点各是什么