4， 5， 7， 10， 15， 21， （）。

A.21：20

B.10：9

C.28：15

D.15：28

[y]（10）[e]（11）[b]（12）[n]（13）[f]（14）[k]（15）[o]（16）[a]（17）[l]（18）[æ]（19）[p]（20）[i]（21）[ʧ]

良情形如下表。请计算相应控制图的界限。

样组 不良数 不良率/%	1 6 4	2 3 2	3 1 0.7	4 6 4	5 4 2.7	6 6 4	7 0 3.3	8 2 1.3	9 8 5.3	10 1 0.7	11 6 4	12 2 1.3	13 0 0
样组 不良数 不良率/%	14 3 2	15 5 3.3	16 2 1.3	17 9 6	18 1 0.7	19 4 2.7	20 5 3.3	21 3 2	22 1 0.7	23 9 6	24 5 3.3	25 5 3.3	合计 102 0

股票交易所某种证券连续20个市场交易日的每天收盘价格：

时间(天)	价格(元)	时间(天)	价格(元)
1 2 3 4 5 6 7 8 9 10	21 22 24 24 23 24 25 23 23 22	11 12 13 14 15 16 17 18 19 20	22 21 20 18 18 19 18 17 16 18

要求：分析这些数据是否倾向于支持这种证券每天的收盘价格遵循随机游动。(提示：计算这些数据的平均证券价格，并注明每天价格与20天平均价格的负离差和正离差的游程)

金5000元，3月15日来银行支取现金2000元；3月18日王某来银行支取现金4000元；3月25日来银行存入现金3000元。假定银行3月20日挂牌公告的活期存款利率为3.75％，则王某存款户存款账登记和结息情况如下：

中国××银行 存款明细账

户名：王某　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　利率：3.75% 2007 交易 序号 证号 摘要 发生额 借或贷 余额 日数 积数 记账 复核 月 日 借方 贷方 1 10 1 开户 10000.00 1 20 2 支取现金 1000.00 3 1 3 存入现金 5000.00 3 15 4 支取现金 2000.00 3 18 5 支取现金 4000.00 3 21 6 结计利息 70.85 3 25 7 存入现金 3000.00

(1)完成分户账

(2)应计利息=

(3)利息税=

(4)实付利息=

(5)会计分录：

如图3-48所示，根据加工零件的刀具轨迹图，编写程序，填入程序表中。

程序表：

N

L

G

X

Y

Z

I

J

K

F

S

T

D

H

R

P

Q

M

1

F12

S1400

T7

M03

2

G00

X10

Y35

3

Z1

M08

4

G01

Z-2

5

Y45

F25

6

G02

7

8

9

10

11

12

13

14

Z1

15

G00

X50

Y35

16

G01

Z-2.5

F12

17

X57

18

G03

19

G01

X60.5

20

G03

21

22

23

G00

Z100

N09

24

X150

Y150

25

M30

In a telephone survey of more than 2,000 adults. 21% said they believed the sun revolved (旋转) around the earth. An【1】7% did not know which revolved around【2】. I have no doubt that; 【3】all of these people were 【4】in school that the earth revolves a-round the sun;【5】may even have written it【6】a test. But they never【7】their incorrect mental models of planetary (行星的) 【8】because their every day observations didn't support【9】their teachers told thern: People see the sun moving【10】the sky as morning turns to night, and the earth seems stationary (静止的)【11】that is happening.

Students can learn the right answers【12】heart in class, and yet never combined them【13】their working models of the world. The objectively correct answer the professor accepts and the 【14】personal understanding of the world can【15】side by side, each unaffected by the other.

Outside of class, the student continues to use the【16】models because it has always worked well【17】that circumstance. Unless professors address【18】errors in students' personal models of the world, students are not【19】to replace them with the【20】one.

(1)

A．excessive

B．extra

C．additional

D．added

A.4~8

B.5~7

C.8~10

D.10~15

计算下列定积分

(1)(2)(3)

(4)(5)(6)

(7)(8)(9)

(10)(11)(12)

(13)(14)(15)

(16)

A.10~15

B.7~10

C.3~5

D.4~8