找回密码
 立即注册
查看: 128|回复: 0

2016?????????(2016??????)

[复制链接]

0

主题

0

回帖

56

积分

管理员

积分
56
发表于 2019-9-13 23:46:11 | 显示全部楼层 |阅读模式
???2016??????????????????

????2013??????????????

???? ????

?I???????42??

???7????6???42????????????????1-5?????

????????6-7?????????????????6?????????3?? ?????0??

1??????????????????????????,O???????????? a?b??O???????O????????????????????????? ?????????????

A????????????????

B?O?????????

C?O?????????????

D?a?b?????????????????

2??????????????????????????5??????????30????????????????????????????????2012?12?27??????????????????2020??????????????????????

A???????????????????????

B????????????m???????????m????

????????

C??????????????????????????

D???????????????11.2 km/s

3??????????Ro????????????????C???????M???? ????S????????C???????????

????????????????????????

A?????S

B?????R????P????

C???????Ro

D??C?????????

4????????c??????????b??c????a???????????b???b?????????????a?????????? ????????????????????????????b?c???????????????

A?a???????b???

B?a???????b??c??????????????

C?a???????c??????????????

D?a???????c?????????????b?c???????

5?????????R???????????????????????????B????????????????g????m??????????????????ab?????????????P?ab????

???????R??????????????

A?R???????2?m

6qBB??m

3qBC??m2?m D? qB3qB

6???????????37???????????????? m-2 kg?

??????????????????????? ????t-0??????

?????????????? v-t??????????Ob?????bc

?????g?10 m/s2?sin37=0.6?cos37=0.8??????????

A?????????????????????

B????0.15 s??????-8 m/s2

C????0.1 s???????????32 W

D?????????????u=0. 25

7??????a?b?c?d????????????????????????????????????ab?cd?abbc?2ab=cd =bc = 2l?a?b?d?????????a=24 V? ?b=28 V??d=12 V????????????b???????v????bc?45???????????c???????????

A?c?????20 V

B???????a??c

C????b?c??????l/v

D?????c???????5v

?????????68??

?????

1?????0.5?????????????????????????????? ??????????????0.5???????????????????????? ???

2?????4??

8??17??

(1)?6??

????????????????????????????????????? ????????????a?b???????L??

????????s???????h;???????

????????????d?

?????????????????????

????????????????????????

????________???????????????

????????????a?b???????????????a?b??????tl?t2????????m????????a?b??????????dd???????t1t2

????g?????d?6?????????????????EP=________________?????????Ek=________________?????L?s?h?d?tl?

t2?m?g???

(2)?11??

??????????????????????????6 V?

????1000 n???????????????????????

??????????????

A????V1?????4.5 V????50 k??

B????V2(????1.2 V???Rv=lk?)

C????A(0?20 mA????100 ?)

D??????R1(0?10 ??l A)

E??????R2(0?3000 ??0.1 A)

F?????R3(??R3=1 k?)

G???S????????

????????????????????????????

????????????????????????

________________?

??????l??_____________________???2??

____________________????????________________????

?????????

????????????E????r?????????(??V1???U1?V2???U2?A???I)????????????????Rv

???????????

R3???????E=____________________?

9?(15?) 2015?1l?29??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????t=0???????v1=4.5 m/s????????????????????x1=19.5 m?????????????40 s????30 s??????????40 s???????????????????????????v2 =4.6 m/s?????????????

(1)?????????????????a;

(2)60 s??????????????x2?

10? (17?)???????????????????=37??v=l m,/s??????????????????????????L=9 m?????????????v0=11 m/s??????????????????????????????????u=0.5?????????????????????????????????g?10 m/s2?sin37=0.6?cos37=0.8???

(1)??????????????1 m/s????????????

??????

(2)??????????????

11??19????????????????????????

?????R?1/6???????????????????

A?B???????????O??????????????

??????m??????????????????????????????8gR?????A??????????3

???C???C????????????COB=30???????A?????????????????mg??A?C???????????

??g???

(1)???????B??????

(2)???C??????????

(3)????A?????????????

????m?g?R???

832-mgR?????2

???2016????????????word?(???)

????2016?????

????(??)

??????????10??????5???50?.

1?????A?{x|(x?1)(x?2)?0}?B?{x|?2?x?2}??A?B?

?A?{x|?1?x?2} ?B?{x|?

1?x?2} ?C?{x|?1?x?2} ?D?

{x|?2?x?1}

2???ABC??A?

??cosA?? 42

?A???????? ?B???????? ?C????? ?D??????????? 3????????????????????????????????????????

?A?3:1 ?B?2:1 ?C?1:1 ?D?1:2

??????

???

77?191

54c?log4??a?(?b?()???a, b, c?????? 2

997

?A?b?a?c

?B?c?a?b?C?c?b?a?D?b?c?a

5???m,n?????????????,??????????????????????

?A??m//?,m//????//?

?B??m??,m??n//? n?

?C??m//?,m//n??n//? ?D??m??,m//??????

?x?y?4?0

?

6?????x,y???x?y?2?0??z?y?2x?????

?y?2?0?

?A?2?B?4?C?5 ?D?6

7??????????????????????50???????k?????

?A?4?B?5?C?6 ?D?7

?????????

8?????ABCD

???2

??B

???P??AP??AB?

3

????????

??R??BD?CP??3??????

?A?

1

2

?B??

1

2

?C?

1

3

?D? ?

1 3

x2y2

9??????E:2?2?1(a?0,b?0)????????F1?F2??E????P?

ab

a22?

?F1F2P??????????????2???

3b

?A?

4

3

?B

3?C?

4

?D

?log2(2?x),0?x?k

10?????f(x)??3 .?????k????f(x)????2

?x?3x?3,k?x?a

[?1,1]????a??????

?A

?[,1?B

?[2,1

32

?C?[1,3] ?D? [2,3]

??????????5??????5???25?. 11????z???iz?(3?2i)(1?i)???i????????z? ?

12?????f(x)?x?sinx?.1?f(a)?3??

?3

f(?a)??

13???????5???????????????????????????????????????x??x?.?x??x????? ? 14. ???x?y?4???P(0,1)???l????A,B???O????????OAB??????? ?

15?????????????????????????? ????????????????????????????????????????????y?1?

2

2

42

x?????????????????M?N??3

?????????????OM????

??????????6????75?.

16??12????????{an}???q?1??2(an?an?2)?5an?1?????q??? ???

2?a5?a10????{

an

??n??Sn?

n3

17??12??????A1,A2,?,A9?9????????????????????0.50?????

???????????2??????????????????

18?????f(x)?

51

cos2xxcosx?sin2x? ??????f(x)????44

3

?5

??x?????? ????A?B?C??????ABC?????.?cosB?

1

f(C)????sinA???

4

19??12???????ABCD?????BCE?????2??????????????????EF//??ABCD??????CBA?60??FD???ABCD??FD?????EFABCD????

x2y2

??1????????A?B??P??????A,B?20??13??????E:

32

????.??????PA?PB??????

?????Q(?

??x??????5

??????E?M?N??.????MN????????A.

21??14??????f(x)??

12

ax?(1?a)x?lnx(a?R)? ????a?0????2

?f(x)????????????a?0?????

g(x)?xf(?x)

1

k(?x2?)g(x)???[,??)???????.???

2

???k??????

??????????????? ?I???????50??

??????(????10??????5???50?)

1?B? 2?B? 3?C? 4?C? 5?D? 6?D? 7?A? 8?A? 9?D? 10?B?

?II????????100??

??????(????5??????5???25?) 11?1?5i? 12?-1?13?

2

?14?? 15?1? 5

2

?2(a?aq)?5anq. nn

??????(????6????75?) 16???????2(an?an?2)?5an?1,

2

?????an?0??2q?5q?2?0.

1

?q?2?.

2

?q?2. ????????6? ?q?1?

2

????a5?a10,

429

?(aq)?aq. 11

?a1?2.

?an?a1qn?1?2n.

an2n

?(). n33

22[1?()n]

2n?1????????12? ?2?n.?Sn?

231?3

?

17????????9????????1???????M?9??????A1?A4?

A6?A7??.

?P(M)?

4.?????6? 9

????????????2??????????N????????{A1,A4}?

???2016??????????


?2016?????????(2016??????)????????
?????http://www.850500.com/news/64128.html
?????,??!
您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

Archiver|手机版|小黑屋|Discuz! X

GMT+8, 2026-3-6 17:37 , Processed in 0.409917 second(s), 19 queries .

Powered by Discuz! X3.5

© 2001-2025 Discuz! Team.

快速回复 返回顶部 返回列表