婀栧崡鐪佽 闃冲幙
2018-2019
瀛﹀勾楂樹簩涓嬪鏈熸湡鏈�冭瘯
鏁板锛堢悊锛夎瘯棰?/p>
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
12
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
60
鍒嗭級
1.
=(
)
A.-2 -4i
B.-2+4i
C. -1+2i
D. -l-2i
2.
2018
骞?/p>
1
鏈堟垜甯傛煇鏍￠珮涓夊勾绾?/p>
1600
鍚嶅鐢熷弬鍔犱簡
2018
灞婂叏甯傞珮涓夋湡鏈仈鑰冿紝宸茬煡鏁板鑰冭瘯鎴愮哗
X~N(100
锛?/p>
蟽
2
)
锛堣瘯鍗锋弧鍒?/p>
150
鍒嗭級銆傜粺璁＄粨鏋滄樉绀烘暟瀛﹁�冭瘯鎴愮哗鍦?/p>
80
鍒嗗埌
120
鍒嗕箣闂寸殑浜烘暟绾︿负鎬讳汉鏁扮殑
锛屽垯姝ゆ鏈熸湯鑱旇�冧腑鎴愮哗涓嶄綆浜?/p>
120
鍒嗙殑瀛︾敓浜烘暟绾︿负
(
)
A
锛?/p>
120
B.160
C
锛?/p>
200
D
锛?/p>
240
3
锛庡凡鐭ュ叿鏈夌嚎鎬х浉鍏崇殑鍙橀噺
x
锛?/p>
y
锛岃鍏舵牱鏈偣涓?/p>
Ai
锛?/p>
xi
锛?/p>
yi
锛?/p>
(i=1
锛?/p>
2
锛屸�︹�︼紝
8)
锛屽洖褰掔洿绾挎柟绋嬩负
鑻?
(O
涓哄師鐐?/p>
)
锛屽垯
a=
(
)
A
锛?/p>
B
锛庝竴
C
锛?/p>
D
锛庝竴
4
锛庤
a>0
涓?/p>
a
鈮?/p>
l
锛屽垯鈥?/p>
log
a
b >l
鈥濇槸鈥?/p>
b>a
鈥濈殑
(
)
A
锛庡繀瑕佷笉鍏呭垎鏉′欢
B
锛庡厖瑕佹潯浠?/p>
C
锛庢棦涓嶅厖鍒嗕篃涓嶅繀瑕佹潯浠?/p>
D
锛庡厖鍒嗕笉蹇呰鏉′欢
5
锛庡湪
鐨勫睍寮�寮忎腑锛屽父鏁伴」涓?/p>
(
)
A. 145
B. 105
C. 30
D
锛?/p>
135
6
锛庢煇涓嚑浣曚綋鐨勪笁瑙嗗浘濡傚浘鎵�绀猴紙鍏朵腑姝ｈ鍥句腑鐨勫渾寮ф槸鍗婂緞涓?/p>
2
鐨勫崐鍦嗭級锛屽垯璇ュ嚑浣曚綋鐨勪綋绉负
(
)
A
锛?/p>
80+l0蟺
B. 80+20蟺
C
. 92+14蟺
D. 120+10蟺
7
銆佸凡鐭ュ嚱鏁?/p>
f(x)=x
2
-ax-1
锛岃嫢
f(x)
鍦紙
-1,1
锛変笂鍗曡皟閫掑噺锛屽垯
a
鐨勫彇鍊艰寖鍥翠负锛?/p>
锛?/p>
A. a
鈮?/p>
3
B. a>3
C.a
鈮?/p>
3
D
锛?/p>
a<3
8
锛庡鏍￠�夋淳
5
浣嶅悓瀛﹀弬鍔犲寳浜ぇ瀛︺�佷笂娴蜂氦閫氬ぇ瀛︺�佹禉姹熷ぇ瀛﹁繖
3
鎵�澶у鐨勮嚜涓绘嫑鐢熻�冭瘯锛?/p>
姣忔墍澶у鑷?/p>
灏戞湁涓�浜哄弬鍔狅紝鍒欎笉鍚岀殑閫夋淳鏂规硶鍏辨湁
(
)