- 1 -
绗?/p>
18
棰樺浘
绗?/p>
19
棰樺浘
2017
鈥?/p>
2018
瀛﹀勾搴︾涓�瀛︽湡鏈熸湯妯℃嫙鑰冭瘯鍗?/p>
涔濆勾绾ф暟瀛?/p>
鐗瑰埆鎻愰啋锛?/p>
1
銆佽�冭瘯鏃堕棿
120
鍒嗛挓锛屾弧鍒?/p>
150
鍒?/p>
.
2
銆佺敤榛戣壊绛惧瓧绗斿湪绛旈鍗?/p>
锛庯紟锛?
涓婄瓟棰橈紝鍦ㄨ瘯鍗蜂笂绛旈鏃犳晥銆?/p>
涓�銆佸崟椤归�夋嫨棰橈紙姣忓皬棰?/p>
4
鍒嗭紝鍏?/p>
13
灏忛锛屾弧鍒?/p>
52
鍒嗭級
1
锛庝笅鍒楀悇鍥惧舰涓紝鏃㈡槸杞村绉板浘褰紝鍙堟槸涓績瀵圭О鍥惧舰鐨勬槸锛?/p>
锛?/p>
2
锛庢柟绋?/p>
x
x
2
2
飥?/p>
鐨勬牴鏄?/p>
锛?/p>
锛?/p>
A
锛?/p>
0
1
飥?/p>
x
锛?/p>
2
2
飥?/p>
飥?/p>
x
B
锛?/p>
0
1
飥?/p>
x
锛?/p>
2
2
飥?/p>
x
C
锛?/p>
0
飥?/p>
x
D
锛?/p>
2
飥?/p>
x
3
锛庤嫢鐐?/p>
P(
m
锛?/p>
3)
涓庣偣
Q(3
锛?/p>
n
)
鍏充簬鍘熺偣瀵圭О锛屽垯
m
锛?/p>
n
鐨勫�煎垎鍒槸
锛?/p>
锛?/p>
A.
飥?/p>
m
锛?/p>
3
锛?/p>
飥?/p>
n
3
B.
飥?/p>
m
3
锛?/p>
飥?/p>
n
3
C.
飥?/p>
m
锛?/p>
3
锛?/p>
飥?/p>
n
锛?/p>
3
D.
飥?/p>
m
3
锛?/p>
飥?/p>
n
锛?/p>
3
4
锛庝竴涓笉閫忔槑鐨勭洅瀛愪腑瑁呮湁
2
涓孩鐞冨拰
1
涓櫧鐞冿紝瀹冧滑闄ら鑹插閮界浉鍚岋紟鑻ヤ粠涓换鎰忔懜鍑轰竴涓悆锛屽垯涓嬪垪
鍙欒堪姝ｇ‘鐨勬槸
锛?/p>
锛?/p>
A
锛庢懜鍒扮孩鐞冩槸蹇呯劧浜嬩欢
B
锛庢懜鍒扮櫧鐞冩槸涓嶅彲鑳戒簨浠?/p>
C
锛庢懜鍒扮孩鐞冨拰鎽稿埌鐧界悆鐨勫彲鑳芥�х浉绛?/p>
D
锛庢懜鍒扮孩鐞冩瘮鎽稿埌鐧界悆鐨勫彲鑳芥�уぇ
5
锛庢煇鍟嗗搧缁忚繃涓ゆ杩炵画闄嶄环锛屾瘡浠跺敭浠风敱鍘熸潵鐨?/p>
100
鍏冮檷鍒颁簡
64
鍏冿紟璁惧钩鍧囨瘡娆￠檷浠风殑鐧惧垎鐜囦负
x
锛屽垯
涓嬪垪鏂圭▼涓纭殑鏄紙
锛?/p>
A
锛?/p>
100
锛?/p>
1+x
锛?/p>
2
=64
B
锛?/p>
64
锛?/p>
1+x
锛?/p>
2
=100
C
锛?/p>
64
锛?/p>
1
锕?/p>
x
锛?/p>
2
=100
D
锛?/p>
100
锛?/p>
1
锕?/p>
x
锛?/p>
2
=64
6
锛庡鍥撅紝
A
銆?/p>
B
銆?/p>
C
涓夌偣鍦ㄢ姍
O
涓婏紝涓斺垹
BOC=100掳
锛屽垯鈭?/p>
A
鐨勫害鏁颁负
锛?/p>
锛?/p>
A
锛?/p>
40掳
B
锛?/p>
50掳
C
锛?/p>
80掳
D
锛?/p>
100掳
7
锛庡鍥撅紝浜屾鍑芥暟
y=ax
2
+bx+c
鐨勫浘璞′笌
x
杞寸浉浜や簬锛堬梗
2
锛?/p>
0
锛夊拰锛?/p>
4
锛?/p>
0
锛変袱鐐癸紝褰撳嚱鏁板�?/p>
y
锛?/p>
0
鏃讹紝鑷彉
閲?/p>
x
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A
锛?/p>
x
锛滐梗
2
B
锛庯梗
2
锛?/p>
x
锛?/p>
4
C
锛?/p>
x
锛?/p>
0
D
锛?/p>
x
锛?/p>
4
8
锛庡崐寰勪负
R
鐨勫渾鍐呮帴姝ｅ叚杈瑰舰鐨勯潰绉槸
锛?/p>
锛?/p>
A
锛?/p>
R
2
B
锛?/p>
R
2
C
锛?/p>
R
2
D
锛?/p>
R
2
9
锛庡凡鐭ユ姏鐗╃嚎
y=x
2
锕?/p>
x
锕?/p>
2
涓?/p>
x
杞寸殑涓�涓氦鐐逛负锛?/p>
m
锛?/p>
0
锛?/p>
锛屽垯浠ｆ暟寮?/p>
m
2
锕?/p>
m+2016
鐨勫�间负
锛?/p>
锛?/p>
A
锛?/p>
2015
B
锛?/p>
2016
C
锛?/p>
2017
D
锛?/p>
2018
10
锛庝簩娆″嚱鏁?/p>
y=kx
2
锕?/p>
2x+1
鐨勫浘璞′笌
x
杞存湁涓や釜浜ょ偣锛屽垯
k
鐨勫彇鍊艰寖鍥存槸
锛?/p>
锛?/p>
A
锛?/p>
k
锛?/p>
1 B
锛?/p>
k
锛?/p>
1
涓?/p>
k鈮?
C
锛?/p>
k鈮?
D
锛?/p>
k鈮?
涓?/p>
k鈮?
11.
濡傚浘锛屽湪
鈻?/p>
ABC
涓紝
鈭?/p>
C=90掳
锛?/p>
鈭?/p>
BAC=70掳
锛屽皢
鈻?/p>
ABC
缁曠偣
A
椤烘椂閽堟棆杞?/p>
70掳
锛?/p>
B
銆?/p>
C
鏃嬭浆鍚庣殑瀵瑰簲鐐?/p>
鍒嗗埆鏄?/p>
B鈥?/p>
鍜?/p>
C鈥?/p>
锛岃繛鎺?/p>
BB鈥?/p>
锛屽垯
鈭?/p>
BB鈥睠鈥?/p>
鐨勫害鏁版槸锛?/p>
锛?/p>
A
锛?/p>
35掳
B
锛?/p>
40掳
C
锛?/p>
45掳
D
锛?/p>
50掳
12
锛庡湪涓�涓笉閫忔槑鐨勫彛琚嬮噷瑁呯潃鍙湁棰滆壊涓嶅悓鐨勯粦銆佺櫧涓ょ棰滆壊鐨勭悆鍏?/p>
20
鍙紝鏌愬涔犲皬缁勪綔鎽哥悆瀹為獙锛屽皢
鐞冩悈鍖�鍚庝粠涓殢鏈烘懜鍑轰竴涓悆璁颁笅棰滆壊锛?/p>
鍐嶆妸瀹冩斁鍥炶涓紝
涓嶆柇閲嶅锛?/p>
涓嬭〃绀烘椿鍔ㄨ繘琛屼腑鐨勪竴缁勭粺璁℃暟鎹細
鎽哥悆鐨勬鏁?/p>
n
100
150
200
500
800
1000
鎽稿埌鐧界悆鐨勬鏁?/p>
m
58
96
116
295
484
601
鎽稿埌鐧界悆鐨勯鐜?/p>
0.58
0.64
0.58
0.59
0.605
0.601
璇蜂及绠楀彛琚嬩腑鐧界悆绾︽槸
(
)
鍙紟
A
锛?/p>
8
B
锛?/p>
9
C
锛?/p>
12
D
锛?/p>
13
13
锛庡鍥句负浜屾鍑芥暟
c
bx
ax
y
飥?/p>
飥?/p>
飥?/p>
2
鐨勫浘璞★紝姝ゅ浘璞′笌
x
杞寸殑浜ょ偣鍧愭爣
鍒嗗埆涓猴紙锛?/p>
1
锛?/p>
0
锛夈�侊紙
3
锛?/p>
0
锛夛紟涓嬪垪璇存硶姝ｇ‘鐨勪釜鏁版槸锛?/p>
锛?/p>
鈶?/p>
abc
锛?/p>
0
锛?/p>
鈶?/p>
a+b+c
锛?/p>
0
锛?/p>
鈶?/p>
b
c
a
2
4
飥?/p>
飥?/p>
锛?/p>
鈶ｅ綋
x
锛?/p>
1
鏃讹紝
y
闅忕潃
x
鐨勫澶ц�屽澶э紱鈶ゆ柟绋?/p>
ax
2
锛?/p>
bx
锛?/p>
c=0
鐨勬牴涓?/p>
x
1
=
锛?/p>
1
锛?/p>
x
2
=3
锛?/p>
A.2
涓?/p>
B. 3
涓?/p>
C.4
涓?/p>
D. 5
涓?/p>
浜屻�佸～绌洪锛?/p>
(
姣忓皬棰?/p>
4
鍒嗭紝鍏?/p>
6
灏忛锛屾弧鍒?/p>
24
鍒嗭級
14
锛?/p>
宸茬煡
x
1
銆?/p>
x
2
鏄柟绋?/p>
x
2
锕?/p>
3x
锕?/p>
2=0
鐨勪袱涓疄鏍癸紝鍒?/p>
(x
1
锕?/p>
2)(x
2
锕?/p>
2)=
锛?/p>
15
锛?/p>
濡傚浘锛?/p>
鍦ㄧ瓑杈逛笁瑙掑舰
ABC
涓紝
AB=6
锛?/p>
D
鏄?/p>
BC
涓婁竴鐐癸紝
涓?/p>
BC=3BD
锛?/p>
鈻?/p>
ABD
缁曠偣
A
鏃嬭浆鍚庡緱鍒?/p>
鈻?/p>
ACE
锛?/p>
鍒?/p>
CE
鐨勯暱搴︿负
锛?/p>
16.
濡傚浘锛?/p>
AB
涓衡姍
O
鐨勫鸡锛屸姍
O
鐨勫崐寰勪负
5
锛?/p>
OC
鈯?/p>
AB
浜庣偣
D
锛屼氦鈯?/p>
O
浜庣偣
C
锛屼笖
CD
锛?/p>
1
锛屽垯寮?/p>
AB
鐨勯暱
鏄?/p>
17
锛庡鍥炬墍绀烘槸鎶涚墿绾?/p>
y=
锕?/p>
x
2
+bx+c
鐨勯儴鍒嗗浘璞★紝
鍒欏叧浜?/p>
x
鐨勪竴鍏冧簩娆℃柟绋嬶梗
x
2
+bx+c=0
鐨勮В涓?/p>
__________
锛?/p>
18
锛庡鍥撅紝鐩村緞
AB
涓?/p>
12
鐨勫崐鍦嗭紝缁?/p>
A
鐐归�嗘椂閽堟棆杞?/p>
60掳
锛屾鏃剁偣
B
鍒颁簡鐐?/p>
B鈥?/p>
锛屽垯鍥句腑闃村奖閮ㄥ垎鐨勯潰绉槸
__________
锛?/p>
19
锛庡鍥撅紝
AB
鏄崐鍦?/p>
O
鐨勭洿寰勶紝鐐?/p>
P
鍦?/p>
AB
鐨勫欢闀跨嚎涓婏紝
PC
鍒囧崐鍦?/p>
O
浜庣偣
C
锛岃繛鎺?/p>
AC
锛庤嫢鈭?/p>
CPA=20掳
锛?/p>
鍒欌垹
A=_________掳
锛?/p>
A
B
C
D
O
x
3
锛?/p>
1
绗?/p>
13
棰樺浘
y
E
绗?/p>
15
棰樺浘
A
B
C
D
绗?/p>
16
棰樺浘
O
C
B
A
绗?/p>
6
棰樺浘
绗?/p>
7
棰樺浘
绗?/p>
17
棰樺浘
绗?/p>
11
棰樺浘