¹ã¶«Ê¡¹ãÖÝÊиßÈýÊýѧ±ÏÒµ°à×ۺϲâÊÔÊÔÌâ(Ò»)(¹ãÖÝÒ» ÏÂÔØ±¾ÎÄ

ÄÚÈÝ·¢²¼¸üÐÂʱ¼ä : 2026/8/3 0:29:32ÐÇÆÚÒ» ÏÂÃæÊÇÎÄÕµÄÈ«²¿ÄÚÈÝÇëÈÏÕæÔĶÁ¡£

ÊÔ¾íÀàÐÍ£ºA

2013Äê¹ãÖÝÊÐÆÕͨ¸ßÖбÏÒµ°à×ۺϲâÊÔ£¨Ò»£©

Êýѧ£¨Àí¿Æ£©

±¾ÊÔ¾í¹²4Ò³£¬21СÌ⣬ Âú·Ö150·Ö¡£¿¼ÊÔÓÃʱ120·ÖÖÓ¡£

×¢ÒâÊÂÏ1£®´ð¾íǰ£¬¿¼ÉúÎñ±ØÓúÚÉ«×Ö¼£¸Ö±Ê»òÇ©×ֱʽ«×Ô¼ºµÄÐÕÃûºÍ¿¼ÉúºÅ¡¢ÊÔÊҺš¢

×ùλºÅÌîдÔÚ´ðÌ⿨ÉÏ¡£ÓÃ2BǦ±Ê½«ÊÔ¾íÀàÐÍ£¨A£©ÌîÍ¿ÔÚ´ðÌ⿨ÏàӦλÖÃÉÏ¡£ 2£®Ñ¡ÔñÌâÿСÌâÑ¡³ö´ð°¸ºó£¬ÓÃ2BǦ±Ê°Ñ´ðÌ⿨É϶ÔÓ¦ÌâĿѡÏîµÄ´ð°¸ÐÅÏ¢µãÍ¿ºÚ£¬ÈçÐè¸Ä¶¯£¬ÓÃÏðÆ¤²Á¸É¾»ºó£¬ÔÙѡͿÆäËû´ð°¸£¬´ð°¸²»ÄÜ´ðÔÚÊÔ¾íÉÏ¡£ 3£®·ÇÑ¡ÔñÌâ±ØÐëÓúÚÉ«×Ö¼£µÄ¸Ö±Ê»òÇ©×Ö±Ê×÷´ð£¬´ð°¸±ØÐëдÔÚ´ðÌ⿨¸÷ÌâĿָ¶¨ÇøÓòÄÚµÄÏàӦλÖÃÉÏ£»ÈçÐè¸Ä¶¯£¬ÏÈ»®µôÔ­À´µÄ´ð°¸£¬È»ºóÔÙдÉÏеĴ𰸣»²»×¼Ê¹ÓÃǦ±ÊºÍÍ¿¸ÄÒº¡£²»°´ÒÔÉÏÒªÇó×÷´ðµÄ´ð°¸ÎÞЧ¡£

4£®×÷´ðÑ¡×öÌâʱ£¬ÇëÏÈÓÃ2BǦ±ÊÌîͿѡ×öÌâµÄÌâºÅ¶ÔÓ¦µÄÐÅÏ¢µã£¬ÔÙ×÷´ð.©Ϳ¡¢´íÍ¿¡¢¶àÍ¿µÄ£¬´ð°¸ÎÞЧ¡£

5£®¿¼Éú±ØÐë±£³Ö´ðÌ⿨µÄÕû½à¡£¿¼ÊÔ½áÊøºó£¬½«ÊÔ¾íºÍ´ðÌ⿨һ²¢½»»Ø¡£

²Î¿¼¹«Ê½£º

Èç¹ûʼþA,BÏ໥¶ÀÁ¢,ÄÇôPA?BÏß

n???P?A??P?B?.

ÖÐ

ϵ

Êý

¼Æ

Ëã

¹«

ʽ

ÐԻع鷽³Ì

$$?a$y?bx$?bi?1?(xi?x)(yi?y)i?12?(xi?x)n$?y?bx$£¬ ,aÆäÖÐx,y±íʾÑù±¾¾ùÖµ.

Ò»¡¢Ñ¡ÔñÌ⣺±¾´óÌâ¹²8СÌ⣬ÿСÌâ5·Ö£¬Âú·Ö40·Ö£®ÔÚÿСÌâ¸ø³öµÄËĸöÑ¡ÏîÖУ¬Ö»

ÓÐÒ»ÏîÊÇ·ûºÏÌâĿҪÇóµÄ£® 1£®ÉèÈ«¼¯U?1,2,3,4,5,6£¬¼¯ºÏA?1,3,5£¬B?2,4£¬Ôò

A£®U?AUB B£®U?eUAUB C£®U?AUeUB D£®U?eUAUeUB 2. ÒÑÖª

??????????????a?1?bi£¬ÆäÖÐa,bÊÇʵÊý£¬iÊÇÐéÊýµ¥Î»£¬Ôòa?bi? 1?iA£®1?2i B£®2?i C£®2?i D£®1?2i

?x?2y?1,?3£®ÒÑÖª±äÁ¿x,yÂú×ãÔ¼ÊøÌõ¼þ?x?y?1,Ôòz?x?2yµÄ×î´óֵΪ

?y?1?0.?

1

A£®?3 B£®0 C£®1 D£®3 4. Ö±Ïßx?3y?0½ØÔ²?x?2??y2?4ËùµÃÁÓ»¡Ëù¶ÔµÄÔ²ÐĽÇÊÇ

2A£®

?? B£® 63121ÕýÊÓͼ²àÊÓͼ C£®

2?? D£®

325. ij¿Õ¼ä¼¸ºÎÌåµÄÈýÊÓͼ¼°³ß´çÈçͼ1£¬Ôò¸Ã¼¸ºÎÌåµÄÌå»ýÊÇ

A£®2

B£®1

C.

221 D. 332¸©ÊÓͼͼ16. º¯Êýy?sinx?cosx???sinx?cosx?ÊÇ

A£®Ææº¯ÊýÇÒÔÚ?0,?Éϵ¥µ÷µÝÔö B£®Ææº¯ÊýÇÒÔÚ?????

??

2????,??Éϵ¥µ÷µÝÔö ?2????,??Éϵ¥µ÷µÝÔö ?2?C£®Å¼º¯ÊýÇÒÔÚ?0,?Éϵ¥µ÷µÝÔö D£®Å¼º¯ÊýÇÒÔÚ???

2?

7£®ÒÑÖªeÊÇ×ÔÈ»¶ÔÊýµÄµ×Êý£¬º¯Êýf?x??e?x?2µÄÁãµãΪa£¬º¯Êýg?x??lnx?x?2

xµÄÁãµãΪb£¬ÔòÏÂÁв»µÈʽÖгÉÁ¢µÄÊÇ

A£®f?a??f?1??f?b? B. f?a??f?b??f?1? C. f?1??f?a??f?b? D. f?b??f?1??f?a? 8£®Èçͼ2£¬Ò»ÌõºÓµÄÁ½°¶Æ½ÐУ¬ºÓµÄ¿í¶Èd?600m£¬ Ò»ËÒ¿Í´¬´ÓÂëÍ·A³ö·¢ÔÈËÙÊ»ÍùºÓ¶Ô°¶µÄÂëÍ·B. ÒÑÖªAB?1km£¬Ë®Á÷ËÙ¶ÈΪ2km/h, Èô¿Í´¬ÐÐ Ê»Í꺽³ÌËùÓÃ×î¶Ìʱ¼äΪ6·ÖÖÓ£¬Ôò¿Í´¬ÔÚ¾²Ë®ÖÐ µÄËÙ¶È´óСΪ

? BË®Á÷·½Ïò A£®8 km/h B£®62km/h ͼ2 C£®234km/h D£®10km/h

¶þ¡¢Ìî¿ÕÌ⣺±¾´óÌâ¹²7СÌ⣬¿¼Éú×÷´ð6СÌ⣬ÿСÌâ5·Ö£¬Âú·Ö30·Ö£® £¨Ò»£©±Ø×öÌ⣨9¡«13Ì⣩

9. ²»µÈʽx?1?xµÄ½â¼¯ÊÇ . 10£®?0cosxdx? .

1?A2

11£®Ä³¹¤³§µÄijÖÖÐͺŵĻúÆ÷µÄʹÓÃÄêÏÞxºÍËùÖ§³öµÄάÐÞ·ÑÓÃy(ÍòÔª)ÓÐϱíµÄͳ¼Æ×ÊÁÏ£º

x 2 2.2 3 3.8 4 5.5 5 6.5 6 7.0 y ??1.23x?a?£¬¾Ý´ËÄ£Ð͹À¼Æ£¬¸ÃÐͺŻúÆ÷ʹÓÃÄêÏÞΪ10Äêʱ¸ù¾ÝÉϱí¿ÉµÃ»Ø¹é·½³ÌyάÐÞ·ÑÓÃÔ¼ ÍòÔª£¨½á¹û±£ÁôÁ½Î»Ð¡Êý£©£®

x?a??x?1?,12£®ÒÑÖªa?0,a?1£¬º¯Êýf?x???Èôº¯Êýf?x?ÔÚ??0,2??ÉϵÄ×î

???x?a?x?1?,´óÖµ±È×îСֵ´ó

5£¬ÔòaµÄֵΪ . 2*(n?N,n?3)¸öÆ½Ãæ£¬ÈÎÒâÈý¸öÆ½Ãæ²»¾­¹ýͬһÌõÖ±Ïß.ÈôÕân13. ÒÑÖª¾­¹ýͬһµãµÄn¸öÆ½Ãæ½«¿Õ¼ä·Ö³ÉfÔòf?3??n?¸ö²¿·Ö£¬

? £¬f?n?? . £¨¶þ£©Ñ¡×öÌ⣨14¡«15Ì⣬¿¼ÉúÖ»ÄÜ´ÓÖÐÑ¡×öÒ»Ì⣩ 14£®£¨×ø±êϵÓë²ÎÊý·½³ÌÑ¡×öÌ⣩

?3?ÔÚ¼«×ø±êϵÖУ¬¶¨µãA?2,??£¬µãBÔÚÖ±Ïß?cos??3?sin??0ÉÏÔ˶¯£¬µ±Ïß¶ÎAB×î

2??¶Ìʱ£¬µãBµÄ¼«×ø±êΪ £® 15£®£¨¼¸ºÎÖ¤Ã÷Ñ¡½²Ñ¡×öÌ⣩

Èçͼ3£¬ABÊÇeOµÄÖ±¾¶£¬BCÊÇeOµÄÇÐÏߣ¬ACÓëeO½»ÓÚµãD£¬ OBDC16ÈôBC?3£¬AD?£¬ÔòABµÄ³¤Îª £®

5Aͼ3Èý¡¢½â´ðÌ⣺±¾´óÌâ¹²6СÌ⣬Âú·Ö80·Ö£®½â´ðÐëд³öÎÄ×Ö˵Ã÷¡¢Ö¤Ã÷¹ý³ÌºÍÑÝËã²½Ö裮 16£®£¨±¾Ð¡ÌâÂú·Ö12·Ö£© ÒÑÖªº¯Êýf(x)?Asin(?x?ÕýÖÜ

ÆÚΪ8.

£¨1£©Çóº¯Êýf(x)µÄ½âÎöʽ£»

£¨2£©Èôº¯Êýf(x)ͼÏóÉϵÄÁ½µãP,QµÄºá×ø±êÒÀ´ÎΪ2,4£¬Çó¡÷POQ µÄ OÎª×ø±êÔ­µã£¬

?4)£¨ÆäÖÐx?R£¬A?0£¬??0£©µÄ×î´óֵΪ2£¬×îС

3