Michel is a young girl who works for the police___31__ a handwriting expert. She has helped __32__ many criminals by using her special talents.

When she was fourteen, Michel was already so interested in the differences in her friends __33____ that she would spend hours _34____ them. After finishing college she went to France for a __35____ two-year class in handwriting at the School of Police Science.

Michel says that it is _36___for people to hide their handwriting. She can discover most of what she needs to know simply _37___ looking at the writing with her own eyes, __38___ she also has machines ___39__ help her make _40__ different kinds of paper and ink. This knowledge is often __41___ great help to the police.

Michel believes that handwriting is a good sign of what kind of person the _42___ is. “ I wouldn’t go out with a fellow __43____ I didn’t like his handwriting.” She says. But she _44___ she fell in love with her future husband, a young policeman __45___ she studied his handwriting. It is later proved to be all right, however.

(　 ) 31. A. with　　　 B. by　　　　　 C. like　　　　　 D. as

(　 ) 32. A. search　　　 B. follow　　　 C. catch　　　　 D. judge

(　 ) 33. A. books　　　 B. letter　　　　 C. tongues　　　 D. handwriting

(　 ) 34. A. writing　　 B. studying　　 C. settling　　　 D. uncover

(　 ) 35. A. powerful　　 B. natural　　　 C. special　　　 D. common

(　 ) 36. A. main　　　 B. safe　　　　 C. easy　　　　 D. impossible

(　 ) 37. A. with　　　 B. by　　　　　 C. of　　　　　　 D. about

(　 ) 38. A. so　　　　 B. for　　　　　 C. thus　　　　　 D. but

(　 ) 39. A. they　 　　　B. in which　　　 C. that　　　　　 D. those

(　 ) 40. A. up　　　　 B. out　　　　　 C. for　　　　　 D. into

(　 ) 41. A. of　　　　　 B. to　　　　　 C. with　　　　 D. for

(　 ) 42. A. thief　　　　 B. criminal　　　 C. writer　　　　 D. policeman

(　 ) 43. A. whether　　 B. unless　　　 C. if　　　　　　 D. after

(　 ) 44. A. adds　　　　 B. tells　　　　 C. repeats　　　 D. cries

(　 ) 45. A. before　　　 B. after　　　　 C. shyly　　　　 D. and

19.　 Could you tell me _______ like two decades years ago?

A.　　　　　 what the city of Hangzhou was

B.　　　　　 how the city of Hangzhou was

C.　　　　　 how was the city of Hangzhou

D.　　　　　 what was the city of Hangzhou

20　 Though my grandma lives ____ in a _____ village, she never feels _____ because she has many neighbors to help her.

A. lonely…alone…alone　　　　　　　　 　　　　　　　 B. alone…alone…alone

C. lonely…lonely…lonely　　　　　　　　　　　　　 D. alone…lonely…lonely

21　 All big railway stations were filled with passengers at that time, ____ were peasants.

　 　　A. whose seventy percent　　 　　　　　　　 B. seventy percent of them

　 　　C. who seventy percent　　　 　　　　　　　　　　 D. seventy percent of whom

22　 All the people present felt ____ at the _____ news.

　 　　A. shocking, shocking　 　　　　　　　　　　 B. shocked, shocking　

C. shocked, shocked　　　　　　　　　 D. shocking, shocked

23　 It is said that there are millions of camels in India and _______ of them is growing.

A. the number　 B. a great number　 C. a lot　　　 D. a good many

24　 The river ______ are covered with trees is very long.

　 　A. whose banks　 B. of which banks　 C. whose the banks　 　　 D. the bank of which

25　 It wasn’t until nearly a month later _______ I received the Oxford’s offer.

A . since　　　　 B. when　　　 C. as　　　 D. that

26　　 -----Sorry, I’m late again.

-----________. But I hope it is the last time.

A. Never mind　　 　　　　　B. Certainly not　

C. Not at all　　　　　　　　 D. Don’t mention it

27　 He is wasting ________ time during this important period in his life.

A. priceless　　　 B. valueless　 C. valuable　 D. boring

28　 ------- I don’t like him,_______?

------- No, I don’t at all.

A. do I　　　　 B. do you　　 C. don’t I　　 D. does she

29　　 ------I met a traffic jam.

------No ________ 　you came so late . 

A. problem　　 B wonder　　 C. wander　　 D. doubt

30　 The Great Wall travels deep _______ valleys, ________ deserts and _______ mountains.

A. over, across, through　　　　 B. through, over, across　

C. across, through, over　　　　 D. through, across, over

18.　 Tom asked __________come here later

A. could he　 B. whether could he　 C. if he could　 D. whether can he

17.　 ______ is known to us all is that National Day Celebrations of 60 anniversary of PRC excited people across China.

A. It　　 　　　B. What　 　　　C. As　 　　　　D. Which

16.　 Have you heard _____ news? The price of _____gasoline is going up again?

A. the; the　 　B.不填；the　 C. the; 不填　　 D. 不填；不填

20、函数是定义在上的奇函数，且.

　 (1)求实数的值.(2)用定义证明在上是增函数；

　 (3)写出的单调减区间，并判断有无最大值或最小值？如有，写出最大值或最小值(无需说明理由).

数学评分标准

当且仅当时,

答:用6.25万元投资甲商品,3.75万元投资乙商品,才能获得最大利润.

19．某企业拟共用10万元投资甲、乙两种商品。已知各投入万元，甲、乙两种商品可分别获得万元的利润，利润曲线如图，仔细观察图像，为使投资获得最大利润，应怎样分配投资额，才能获最大利润。

18．已知函数。

(1)求的定义域；(2)判断的奇偶性；(3)证明