2019-2020
骞翠腑鑰冩暟瀛︽ā鎷熻瘯棰樺強绛旀瑙ｆ瀽
涓�銆侀�夋嫨棰橈紙姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
36
鍒嗭級
1.
澶槼鐨勫崐寰勭害涓?/p>
696 300 km. 696 300
杩欎釜鏁扮敤绉戝璁版暟娉曞彲琛ㄧず涓猴紙
锛?/p>
A. 0.696 3
脳
10
6
B. 6.96
3
脳
10
5
C. 69.6
3
脳
10
4
D. 696.
3
脳
10
3
2
锛庡湪瀹炴暟锕?/p>
锛?/p>
0
锛?
锛?
锛?
锛?
涓紝鏃犵悊鏁版湁锛?/p>
锛?/p>
A
锛?/p>
1
涓?/p>
B
锛?/p>
2
涓?/p>
C
锛?/p>
3
涓?/p>
D
锛?/p>
4
涓?/p>
3
锛?/p>
濡傚浘锛?/p>
绛夎叞鐩磋涓夎鏉跨殑椤剁偣
A
锛?/p>
C
鍒嗗埆鍦ㄧ洿绾?/p>
a
锛?/p>
b
涓婏紟
鑻?/p>
a
鈭?/p>
b
锛?/p>
1=35
飪?/p>
飩?/p>
锛?/p>
鍒?/p>
2
飪?/p>
鐨勫害鏁颁负
锛?/p>
锛?/p>
A
锛?/p>
35
飩?/p>
B
锛?/p>
15
飩?/p>
C
锛?/p>
10
飩?/p>
D
锛?/p>
5
飩?/p>
4
锛庡鍥撅紝鐢层�佷箼銆佷笝鍥惧舰閮芥槸鐢卞ぇ灏忕浉鍚岀殑灏忔鏂逛綋鎼垚鐨勫嚑浣曚綋鐨勪刊瑙嗗浘锛屽皬姝ｆ柟褰腑鐨勬暟瀛楄〃绀?/p>
璇ヤ綅缃皬姝ｆ柟浣撶殑涓暟锛庡叾涓富瑙嗗浘鐩稿悓鐨勬槸锛?/p>
锛?/p>
A
锛庝粎鏈夌敳鍜屼箼鐩稿悓
B
锛庝粎鏈夌敳鍜屼笝鐩稿悓
C
锛庝粎鏈変箼鍜屼笝鐩稿悓
D
锛庣敳銆佷箼銆佷笝閮界浉鍚?/p>
5
.
灏忔槑鍚屽
5
娆℃暟瀛﹀崟鍏冩祴璇曠殑骞冲潎鎴愮哗鏄?/p>
90
鍒嗭紝涓綅鏁版槸
91
鍒嗭紝浼楁暟鏄?/p>
94
鍒嗭紝鍒欎袱娆℃渶浣庢垚缁?
涔嬪拰鏄?/p>
锛?/p>
锛?/p>
A. 165
鍒?/p>
B. 168
鍒?/p>
C. 170
鍒?/p>
D. 171
鍒?/p>
6.
濡傚浘锛屽凡鐭モ柍
ABC
锛?/p>
AB
<
BC
锛岀敤灏鸿浣滃浘鐨勬柟娉曞湪
BC
涓婂彇涓�鐐?/p>
P
锛屼娇寰?/p>
P
A
+
PC
=
BC
锛屽垯
涓嬪垪閫夐」姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
7
锛?/p>
宸茬煡鎶涚墿绾?/p>
y=x
2
锕?/p>
x
锕?/p>
1
涓?/p>
x
杞寸殑涓�涓氦鐐逛负
锛?/p>
m
锛?/p>
0
锛?/p>
锛?/p>
鍒欎唬鏁板紡
m
2
锕?/p>
m+2016
鐨勫�间负
锛?/p>
锛?/p>
A
锛?/p>
2014
B
锛?/p>
2015 C
锛?/p>
2016 D
锛?/p>
2017
8
锛庡鍥撅紝灏嗘枩杈归暱涓?/p>
4
鐨勭洿瑙掍笁瑙掓澘鏀惧湪鐩磋鍧愭爣绯?/p>
xOy
涓紝涓ゆ潯鐩磋杈瑰垎鍒笌鍧愭爣杞撮噸鍚堬紝
P
涓?/p>
鏂滆竟鐨勪腑鐐癸紟鐜板皢姝や笁瑙掓澘缁曠偣
O
椤烘椂閽堟棆杞?/p>
120
掳
鍚庣偣
P
鐨勫搴旂偣鐨勫潗鏍囨槸锛?/p>
锛?/p>
A
锛庯紙
锛?/p>
1
锛?/p>
B
锛庯紙
1
锛岋梗
锛?/p>
C
锛庯紙
2
锛岋梗
2
锛?/p>
D
锛庯紙
2
锛岋梗
2
锛?/p>
9
锛庡鍥撅紝鍦ㄢ柍
ABC
涓紝宸茬煡鈭?/p>
C=90
掳
锛?/p>
BC=3
锛?/p>
AC=4
锛屸姍
O
鏄唴鍒囧渾锛?/p>
E
锛?/p>
F
锛?/p>
D
鍒嗗埆涓哄垏鐐癸紝鍒?/p>
tan
鈭?/p>
OBD=
锛?/p>
锛?/p>
A
锛?
B
锛?/p>
C
锛?/p>
D
锛?/p>
10
锛庡鍥撅紝宸茬煡鈻?/p>
ABC
涓紝鈭?/p>
ABC=90
掳
锛?/p>
AB=BC
锛屼笁瑙掑舰鐨勯《鐐瑰湪鐩镐簰骞宠鐨勪笁鏉＄洿绾?/p>
l
1
锛?/p>
l
2
锛?/p>
l
3
涓婏紝
涓?/p>
l
1
锛?/p>
l
2
涔嬮棿鐨勮窛绂讳负
2
锛?/p>
l
2
锛?/p>
l
3
涔嬮棿鐨勮窛绂讳负
3
锛屽垯
AC
鐨勯暱鏄紙
锛?/p>
A
锛?/p>
B
锛?
C
锛?
D
锛?/p>
7
A
锛?
B
锛?
C
锛?
D
锛?/p>
7
11
锛?/p>
濡傚浘
8
鏄皬鏉庨攢鍞煇绉嶉鍝佺殑鎬诲埄娑?/p>
y
鍏冧笌閿�鍞噺
x
鍗冨厠鐨勫嚱鏁板浘璞?/p>
锛堟�诲埄娑?/p>
=
鎬婚攢鍞
-
鎬绘垚鏈級
锛?/p>
鐢?/p>
浜庣洰鍓嶉攢鍞笉浣筹紝灏忔潕鎯充簡涓や釜瑙ｅ喅鏂规锛?/p>
鏂规锛?/p>
1
锛夋槸涓嶆敼鍙橀鍝佸敭浠凤紝鍑忓皯鎬绘垚鏈紱
鏂规锛?/p>
2
锛夋槸涓嶆敼鍙樻�绘垚鏈紝鎻愰珮椋熷搧鍞环锛?/p>
涓嬮潰缁欏嚭鐨勫洓涓浘璞′腑铏氱嚎琛ㄧず鏂扮殑閿�鍞柟寮忎腑鎬诲埄娑︿笌閿�鍞噺鐨勫嚱鏁板浘鍍忥紝鍒欏垎鍒弽鏄犱簡鏂规
锛?/p>
1
锛?/p>
锛?/p>
2
锛?/p>
鐨勫浘璞℃槸
锛?/p>
锛?/p>
A
锛庘憽锛屸憿
B
锛庘憼锛屸憿
C
锛庘憼锛屸懀
D
锛庘懀锛屸憽
12
锛?/p>
濡傚浘锛?/p>
鎶涚墿绾?/p>
y=ax
2
+bx+c
涓?/p>
x
杞翠氦浜庣偣
A
锛堬梗
1
锛?/p>
0
锛?/p>
锛?/p>
椤剁偣鍧愭爣涓?/p>
锛?/p>
1
锛?/p>
n
锛?/p>
锛?/p>
涓?/p>
y
杞寸殑浜ょ偣鍦?/p>
锛?/p>
0
锛?/p>
2
锛夈�侊紙
0
锛?/p>
3
锛変箣闂达紙鍖呭惈绔偣锛夛紝鍒欎笅鍒楃粨璁猴細鈶犲綋
x
锛?/p>
3
鏃讹紝
y
锛?/p>
0
锛涒憽
3a+b
锛?/p>
0
锛涒憿锕?/p>
1
鈮?/p>
a
鈮?/p>
锕?/p>
锛?/p>
鈶?/p>
3
鈮?/p>
n
鈮?/p>
4
涓紝姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庘憼鈶?/p>
B
锛庘憿鈶?/p>
C
锛庘憼鈶?/p>
D
锛庘憼鈶?/p>
x
y
O
鍥?/p>
8
x
y
O
鈶?/p>
x
y
O
鈶?/p>
x
y
O
鈶?/p>
x
y
O
鈶?/p>
P
C
B
A
P
C
B
A
P
C
B
A
P
C
B
A