ÄÚÈÝ·¢²¼¸üÐÂʱ¼ä : 2025/7/10 7:14:34ÐÇÆÚÒ» ÏÂÃæÊÇÎÄÕµÄÈ«²¿ÄÚÈÝÇëÈÏÕæÔĶÁ¡£
½Î÷Ê¡ÒË·áÖÐѧ2018-2019ѧÄê¸ßÒ»ÊýѧÉÏѧÆÚÆÚÄ©¿¼ÊÔÊÔ¾í ÎÄ
×¢ÒâÊÂÏ
1.Ç뽫µÚ¢ñ¾íµÄ´ð°¸Í¿Ð´ÔÚ´ðÌ⿨ÉÏ£»
2.±¾¾í¹²12СÌâ,ÿÌâ5·Ö,¹²60·Ö¡£ÔÚÿ¸öСÌâ¸ø³öµÄËĸöÑ¡ÏîÖÐ,Ö»ÓÐÒ»ÏîÊÇ·ûºÏÌâĿҪÇóµÄ£»
3.½»¾íʱ,Ö»½»´ðÌâÖ½¡£
Ò»¡¢Ñ¡ÔñÌ⣨ÿÌâ5·Ö,¹²60·Ö£©
1.¼¯ºÏA?{x?2?x?2},B?{x?1?x?3},ÄÇôA?B?( )
} D. {x2?x?3} A. {x?2?x?3} B. {x1?x?2} C. {x?2?x?12.ÏÂÁÐËÄ×麯ÊýÖÐ,±íʾͬһº¯ÊýµÄÊÇ( )
A. f(x)£½|x|,g(x)£½x2
2C. f(x)£½x£1,g(x)£½x£«1
B. f(x)£½lg x,g(x)£½2lg x
2
x£1D. f(x)£½x£«1¡¤x£1,g(x)
£½x2£1
3.ÔÚÏÂÁк¯ÊýÖÐ,ͼÏóµÄÒ»²¿·ÖÈçͼËùʾµÄÊÇ( )
???? 6????? C. y?2cos?2x??
6?? A. y?2sin?4x?3
???? 3?????D. y??2cos?2x??
3??B. y??2sin?2x?4.º¯Êýf(x)£½ln x£«x£9µÄÁãµãËùÔÚµÄÇø¼äΪ( )
A. (0,1) B. (1,2) C. (2,3) 5.Èôtan¦Á<0,ÇÒsin¦Á>cos¦Á,Ôò¦ÁÔÚ( )
A. µÚÒ»ÏóÏÞ B. µÚ¶þÏóÏÞ C. µÚÈýÏóÏÞ 6.±ß³¤Îª5,7,8µÄÈý½ÇÐεÄ×î´ó½ÇÓë×îС½ÇµÄºÍÊÇ( )
A. 90
B. 120
D. (3,4)
D. µÚËÄÏóÏÞ
C. 135 D. 150
7.ÒÑÖªA?B?R,x?A,y?B,f:x?y?ax?bÊÇ´ÓAµ½BµÄÓ³Éä,Èô1ºÍ8µÄÔÏó·Ö±ðÊÇ3ºÍ10,Ôò5ÔÚfϵÄÏóÊÇ( )
A. 3
B. 4
C. 5
D. 6
8.ÒÑÖªa?3,b?4,ÇÒ£¨a+kb£©¡Í£¨a?kb£©,ÔòkµÈÓÚ( )
A. ?
9.Ææº¯Êýf(x)ÔÚ(£¡Þ,0)Éϵ¥µ÷µÝÔö,Èôf(£1)£½0,Ôò²»µÈʽf(x)£¼0µÄ½â¼¯ÊÇ( )
4 3 B. ?3 4 C. ?3 5 D. ?4 5
A. (£¡Þ,£1)¡È(0,1) C. (£1,0)¡È(0,1)
B. (£¡Þ,£1)¡È(1,£«¡Þ) D. (£1,0)¡È(1,£«¡Þ)
10.ÒÑÖªº¯Êýf(x)?cos?x (x?R,??0)µÄ×îСÕýÖÜÆÚΪ?,ΪÁ˵õ½º¯Êýg?x??
sin(?x??4)µÄͼÏó,Ö»Òª½«y?f?x?µÄͼÏó( )
?¸öµ¥Î»³¤¶È 8?C. Ïò×óÆ½ÒÆ¸öµ¥Î»³¤¶È
4A. Ïò×óÆ½ÒÆ?¸öµ¥Î»³¤¶È 8?D. ÏòÓÒÆ½ÒƸöµ¥Î»³¤¶È
4B. ÏòÓÒÆ½ÒÆ
11.ÈçͼÉèµãOÔÚ?ABCÄÚ²¿,ÇÒÓÐOA?2OB?3OC?0,Ôò?ABCµÄÃæ»ýÓë?AOCµÄÃæ»ýµÄ±ÈΪ( )
A. 2
B.
3 2
C. 3
D.
5 3?log2x,0?x?2?12.ÒÑÖªº¯Êýf?x???,Èô´æÔÚʵÊýx1,x2,x3,x4Âú×ã?sin(x), 2?x?10??4f?1x???f?x?2?f?3?xf(x4),ÇÒx1?x2?x3?x4,Ôò
(x3?1)?(x4?1)µÄȡֵ·¶Î§
x1?x2
D.
( )
A. (20,32) B. (9,21) C. (8,24) (15,25)
¶þ¡¢Ìî¿ÕÌ⣨±¾´óÌâ¹²4СÌâ,ÿСÌâ5·Ö,Âú·Ö20·Ö.£©
13.ÒÑÖªº¯Êýf(x)?x2?mÊǶ¨ÒåÔÚÇø¼ä[?3?m,m?m]ÉÏµÄÆæº¯Êý,Ôòf(m)?______.
214.ÈôÉÈÐεÄÃæ»ýÊÇ1 cm,ËüµÄÖܳ¤ÊÇ4 cm,ÔòÉÈÐÎÔ²ÐĽǵĻ¡¶ÈÊýΪ______. 15.tan??2
1sin??3cos?= ,Çó2sin??cos?16.Èôº¯Êýf(x+2)=?
?tanx,x?0?,Ôòf(+2)f(-98)µÈÓÚ____________.
4?lg(?x),x?0Èý¡¢½â´ðÌ⣨¹²6СÌâ,17Ìâ10·Ö,18¡ª22Ìâ¸÷12·Ö,¹²70·Ö£»½â´ðӦд³öÎÄ×Ö˵Ã÷,Ö¤
Ã÷¹ý³Ì»òÑÝËã²½Ö裩 17.»¯¼ò»òÇóÖµ£º£¨10·Ö£©