2011-2012
瀛﹀勾绗竴瀛︽湡鍏勾绾ф暟瀛︽湡鏈�冭瘯
濮撳悕
____________
鐝骇
_________
鎴愮哗
______
涓�
.
閫夋嫨棰?/p>
:(
姣忛
3
鍒嗭紝鍏?/p>
30
鍒?/p>
)
1.
濡傛灉
a
m
=2 ,a
n
=3
锛屽垯
a
n
m
飥?/p>
=
鐨勫�间负
锛?/p>
锛?/p>
A.6
B.5
C. 5
n
m
飥?/p>
D. 6
n
m
飥?/p>
2.
鐐?/p>
P
锛?/p>
3,-5
锛夊叧浜?/p>
x
杞村绉扮殑鐐圭殑鍧愭爣涓?/p>
锛?/p>
锛?/p>
A.(-3
锛?/p>
-5)
B.(-3
锛?/p>
5)
C.(3
锛?/p>
-5)
D.(3,5)
3.
绛夎叞涓夎褰㈢殑鍛ㄩ暱涓?/p>
30
锛屽叾涓竴杈圭殑闀夸负
14
锛岄偅涔堝簳杈归暱锛?/p>
锛?/p>
A.14
B.2
C.2
鎴?/p>
14
D.
浠ヤ笂閮戒笉瀵?/p>
4.
涓嬪垪璁＄畻姝ｇ‘鐨勬槸
锛?/p>
锛?/p>
A.(-1)
0
=-1
B.(-1)
1
飥?/p>
=1
C.2a
3
飥?/p>
=
3
2
1
a
D.(-a
3
)
梅
(
-a
7
)=
4
1
a
5.
瀵逛簬鍦嗙殑鍛ㄩ暱
C=2
蟺
R
锛屼笅鍒楄娉曚腑姝ｇ‘鐨勬槸
锛?/p>
锛?/p>
A.
C
銆?/p>
蟺
銆?/p>
R
銆佹槸鍙橀噺锛?/p>
2
鏄父閲?/p>
B.
R
鏄彉閲忥紝
C
銆?/p>
蟺
鏄父閲?/p>
C.
C
鏄彉閲忥紝
蟺
銆?/p>
R
鏄父閲?/p>
D.
C
銆?/p>
R
鏄彉閲忥紝
2
銆?/p>
蟺
鏄父閲?/p>
6.
濡?/p>
鏋?/p>
涓�
娆?/p>
鍑?/p>
鏁?/p>
y=kx+(k+1)
鐨?/p>
鍥?/p>
鍍?/p>
缁?/p>
杩?/p>
绗?/p>
涓�
銆?/p>
涓?/p>
銆?/p>
鍥?/p>
璞?/p>
闄?/p>
锛?/p>
鍒?/p>
k
鐨?/p>
鍙?/p>
鍊?/p>
鑼?/p>
鍥?/p>
锛?/p>
锛?/p>
A. k
锛?/p>
0 B. k
锛?/p>
0 C.0
锛?/p>
k
锛?/p>
1 D. k
锛?/p>
1
7.
鍒颁笁瑙掑舰涓夎竟璺濈鐩哥瓑鐨勭偣鏄?/p>
锛?/p>
锛?/p>
A .
涓夋潯涓嚎鐨勪氦鐐?/p>
B.
涓夋潯瑙掑钩鍒嗙嚎鐨勪氦鐐?/p>
C.
涓夋潯鍨傜嚎鐨勪氦鐐?/p>
D.
涓夋潯楂樼殑浜ょ偣
8.
涓嬪垪寮忓瓙涓纭殑鏄?/p>
锛?/p>
锛?/p>
A.
3
5
飥?/p>
=-
3
5
B.-
6
.
3
=-0.6 C.
2
)
13
(
飥?/p>
=-13 D.
36
=
卤
6
9.
鎶?/p>
x
3
-2x
2
y+ xy
2
鍥犲紡鍒嗚В锛岀粨鏋滄纭殑鏄?/p>
锛?/p>
锛?/p>
A. x(x+y)(x-y) B. x(x
2
-2xy+ y
2
) C. x(x+y)
2
D. x(x-y)
2
10.
濡傚浘
1
鎵�绀猴紝鈻?/p>
ABC
涓紝鈭?/p>
ABC=
鈭?/p>
ACB,
鈭?/p>
A=40
掳锛?/p>
P
涓衡柍
ABC
鍐呬竴鐐癸紝鈭?/p>
PBC=
鈭?/p>
PCA,
鍒欌垹
BPC=
( )
A.110
潞
B.120
潞
C.130
潞
D.140
潞
鍥?/p>
1
鍥?/p>
2
浜?/p>
.
濉┖棰?/p>
:
锛堟瘡棰?/p>
3
鍒嗭紝鍏?/p>
30
鍒嗭級
1.
濡傚浘
2
鎵�绀猴紝鍦?/p>
Rt
鈻?/p>
ABC
涓紝鈭?/p>
C=90
掳锛岃嫢
BC=10
锛?/p>
AD
骞冲垎鈭?/p>
BAC
浜庣偣
D,
涓?/p>
BD:CD=3:2
锛屽垯鐐?/p>
D
鍒扮嚎
娈?/p>
AB
鐨勮窛绂讳负
______________.
2.
鍑芥暟
y=
1
3
飥?/p>
飥?/p>
x
x
鐨勮嚜鍙橀噺
x
鐨勫彇鍊艰寖鍥存槸
______________.