2014-2015
涔濆勾绾т笂瀛︽湡鏈熸湯妫�娴嬮
2
涓�
銆侀�夋嫨棰橈紙姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
36
鍒嗭級
1
銆乼an60掳鐨勫�肩瓑浜庯紙
锛?/p>
A
锛?/p>
1
B
锛?/p>
C
锛?/p>
D
锛?/p>
2
2
銆佸鍥撅紝鍦ㄢ柍ABC
涓紝鈭?/p>
C
锛?0掳锛屽皢鈻矨BC
娌跨洿绾?/p>
MN
缈绘姌鍚庯紝椤剁偣
C
鎭板ソ钀藉湪
AB
杈逛笂鐨勭偣
D
澶勶紝宸茬煡
MN
鈭?/p>
AB
锛?/p>
MC
锛?/p>
6
锛?/p>
NC
锛?/p>
2
3
锛屽垯鍥涜竟褰?/p>
MABN
鐨勯潰绉槸
A
锛?/p>
6
3
B
锛?/p>
12
3
C
锛?/p>
18
3
D
锛?/p>
24
3
3
銆佷互
3
銆?/p>
4
涓轰袱杈圭殑涓夎褰㈢殑绗笁杈归暱鏄柟绋?/p>
0
40
13
2
飥?/p>
飥?/p>
飥?/p>
x
x
鐨勬牴锛屽垯杩欎釜涓夎褰㈢殑鍛ㄩ暱
涓猴紙
锛?/p>
A.15
鎴?/p>
12 B.12 C.15 D.
浠ヤ笂閮戒笉瀵?/p>
4
銆佸鍥?/p>
4
鎵�绀猴紝鈻?/p>
ABC
鐨勯《鐐规槸姝ｆ柟褰㈢綉鏍肩殑鏍肩偣锛屽垯
sinA
鐨勫�间负
A
锛?
1
2
B
锛?
5
5
C
锛?/p>
10
10
D
锛?/p>
2
5
5
5
銆?/p>
鑻?
鐨勫�间负锛?/p>
锛?/p>
A.
12
B.
6
C.
9
D.
16
6
銆?/p>
鏌愬搧鐗屾湇瑁呭師浠?/p>
173
鍏冿紝杩炵画涓ゆ闄嶄环
0
0
x
鍚庡敭浠蜂负
127
鍏冿紝涓嬮潰鎵�鍒楁柟绋嬩腑姝ｇ‘鐨?/p>
鏄紙
锛?/p>
A.
飥?/p>
飥?/p>
2
0
0
173
1
127
x
飥?/p>
飥?/p>
B.
飥?/p>
飥?/p>
0
0
173
1
2
127
x
飥?/p>
飥?/p>
C.
飥?/p>
飥?/p>
2
0
0
173
1
127
x
飥?/p>
飥?/p>
D.
飥?/p>
飥?/p>
2
0
0
127
1
173
x
飥?/p>
飥?/p>
7
銆佸紡瀛?/p>
鐨勫�兼槸锛?/p>
锛?/p>
A
锛?/p>
B
锛?/p>
0
C
锛?/p>
D
锛?/p>
2
8
銆佸凡鐭ョ煩褰?/p>
ABCD
涓紝
AB=1,
鍦?/p>
BC
涓婂彇涓�鐐?/p>
E
,
娌?/p>
AE
灏?/p>
鈻?/p>
ABE
鍚戜笂鎶樺彔锛屼娇
B
鐐硅惤鍦?/p>
AD
涓婄殑
F
鐐癸紝
鑻ュ洓杈瑰舰
EFDC
涓庣煩褰?/p>
ABCD
鐩镐技锛屽垯
AD=
锛?/p>
锛?/p>
A
锛?/p>
2
1
5
飥?/p>
B
锛?/p>
2
1
5
飥?/p>
C
锛?/p>
3
D
锛?/p>
2
9
銆?/p>
鏍规嵁涓嬪垪琛ㄦ牸瀵瑰簲鍊硷細
x
3.24
3.25
3.26
2
ax
bx
c
飥?/p>
飥?/p>
-0.02
0.01
0.03
鍒ゆ柇鍏充簬
x
鐨勬柟绋?/p>
2
0,(
0)
ax
bx
c
a
飥?/p>
飥?/p>
飥?/p>
飩?/p>
鐨勪竴涓В
x
鐨勮寖鍥存槸锛?/p>
锛?/p>
A.
x
锛?/p>
3.24 B.3.24
锛?/p>
x
锛?/p>
3.25 C.3.25
锛?/p>
x
锛?/p>
3.26 D.3.25
锛?/p>
x
锛?/p>
3.28
10.
濡傚浘锛?
鐨勭洿寰?
杩囧鸡
鐨勪腑鐐?/p>
锛屸垹
,
鍒欌垹
绛変簬锛?/p>
锛?/p>
A.80
掳
B.50
掳
C.40
掳
D.20
掳
11.
濡傚浘锛屽湪
鈻?/p>
ABC
涓?/p>
,
鈭?/p>
B
=90掳
,
鈭?/p>
A
=30掳
锛?/p>
AC
=4 cm
锛屽皢
鈻?/p>
ABC
缁曢《鐐?/p>
C
椤烘椂閽堟柟鍚戞棆杞嚦
鈻?/p>
A
鈥?/p>
B
鈥?/p>
C
鐨勪綅缃紝涓?/p>
A
銆?/p>
C
銆?/p>
B
鈥?/p>
涓夌偣鍦ㄥ悓涓�鏉＄洿绾夸笂
,
鍒欑偣
A
鎵�缁忚繃鐨勬渶鐭矾绾跨殑闀?/p>
涓?/p>
(
)
A
B. 8 cm
C.
蟺
cm
D.
蟺
cm
12
锛庡鍥撅紝
鈻?
C
B
A
飩?/p>
飩?/p>
鏄?/p>
鈻?/p>
ABC
浠ョ偣
A
涓轰腑蹇冮�嗘椂閽堟棆杞?/p>
90
掳鑰屽緱鍒扮殑锛屽叾涓?/p>
AB
锛?/p>
1
锛?/p>
BC
锛?/p>
2
锛屽垯鏃?
杞繃绋嬩腑寮?/p>
C
C
飩?/p>
鐨勯暱涓?/p>
锛?/p>
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?
D
锛?
C
B
A
鍥?/p>
4