2018
骞存槬瀛ｆ湡涓�冭瘯鍏勾绾ф暟瀛﹁瘯鍗?/p>
涓�銆侀�夋嫨棰橈紙姣忛
3
鍒嗭紝鍏?/p>
3
0
鍒嗭級锛?/p>
1.
鍖栫畝
16
鐨勫�间负锛?/p>
锛?/p>
A
锛?/p>
4
B
锛庯梗
4
C
锛?/p>
卤
4
D
锛?/p>
2
2.
涓嬪垪涓夋潯绾挎鑳芥瀯鎴愮洿瑙掍笁瑙掑舰鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
4
锛?/p>
5
锛?/p>
6
B
锛?/p>
1
锛?/p>
2
锛?/p>
3
C
锛?/p>
3
锛?/p>
6
锛?/p>
9
D
锛?/p>
6
锛?/p>
8
锛?/p>
10
3.
鑳藉垽瀹氬洓杈瑰舰
A
BCD
涓哄钩琛屽洓杈瑰舰鐨勬潯浠舵湁锛?/p>
锛?/p>
鈶?/p>
AB
鈭?/p>
CD,AD=BC
鈶?/p>
AB=CD,AC=BD
鈶?/p>
AD
鈭?/p>
BC,AD=BC
鈶ｂ垹
A=
鈭?/p>
C
锛屸垹
B=
鈭?/p>
D
鈶?/p>
AO=CO,BO=DO
A
锛?/p>
2
涓?/p>
B
锛?/p>
3
涓?/p>
C
锛?/p>
4
涓?/p>
D
锛?/p>
5
涓?/p>
4.
涓嬪垪鏉′欢涓紝
a
銆?/p>
b
銆?/p>
c
鍒嗗埆涓衡柍
ABC
鐨勪笁杈归暱锛屼笉鑳藉垽鏂柍
ABC
涓虹洿瑙掍笁瑙掑舰鐨勬槸
锛?/p>
锛?
8
锛庝冀鍒╃暐鍦ㄥ仛涓や釜灏忕悆鍚屾椂钀藉湴鐨勫疄楠屾椂锛屽皬鐞冩墍鍙楃殑閲嶅姏锛堝崟浣嶏細
N
锛夈�侀噸鍔涘姞閫熷害
g
锛堝崟浣嶏細
m/ s
2
锛変笌灏忕悆涓嬭惤鏃堕棿
t
锛堝崟浣嶏細
s
锛夋弧瓒?/p>
G
=
1
2
gt
2
锛庡凡鐭ュ皬鐞冩墍鍙楃殑閲嶅姏涓?/p>
3
0N
锛?/p>
閲?/p>
鍔涘姞閫熷害
g
鍙?/p>
1
0 m/s
2
锛屽垯
I
鐨勫�间负锛?/p>
锛?/p>
A
锛?/p>
2.4s
B
锛?/p>
6
s
C
锛?/p>
4.8s
D
锛?/p>
5
6
s
9.
濡傚浘锛屽湪骞宠鍥涜竟褰?/p>
A
BCD
涓紝涓嬪垪缁撹涓敊璇殑鏄紙
锛?/p>
A
锛庘垹
1=
鈭?/p>
2 B
锛庘垹
BAD=
鈭?/p>
BCD
C
锛?/p>
AB=CD
D
锛?/p>
AC
鈯?/p>
BD
10
锛庡垎褰㈢悊璁?/p>
(Fractal Theory)
鏄綋浠婂崄鍒嗛闈″拰娲昏穬鐨勬柊鐞嗚銆佹柊瀛︾锛屽垎褰㈠嚑浣曚笉浠呭睍
绀?/p>
浜嗘暟瀛︿箣缇庯紝涔熸彮绀轰簡涓栫晫鐨勬湰璐ㄣ�傚鍥撅紝绗紙
1
锛変釜澶氳竟褰㈢敱姝ｄ笁瑙掑舰
鈥?/p>
鎵╁睍
鈥?/p>
鑰屾潵锛岃竟
鏁?/p>
璁颁负
a
3
锛岀锛?/p>
2
锛変釜澶氳竟褰㈢敱姝ｆ柟褰?/p>
鈥?/p>
鎵╁睍
鈥?/p>
鑰屾潵锛岃竟鏁拌涓?/p>
a
4
锛?/p>
鈥?/p>
锛屼緷姝ょ被鎺紝鐢辨
n
杈?/p>
褰?/p>
鈥?/p>
鎵?
灞?/p>
鈥?/p>
鑰屾潵鐨勫杈瑰舰鐨勮竟鏁拌涓?/p>
a
n
锛?/p>
n
鈮?/p>
3
锛夛紟鍒?/p>
a
8
鐨勫�兼槸锛?/p>
锛?/p>
A
锛?/p>
36
B
锛?/p>
56
C
锛?/p>
64
D
锛?/p>
72
浜岋紟濉┖棰橈紙姣忛
3
鍒嗭紝鍏?/p>
1
8
鍒嗭級
11
锛庤嫢浣夸簩娆℃牴寮?/p>
2
4
x
飥?/p>
鏈夋剰涔夛紝鍒?/p>
x
鐨勫彇鍊艰寖鍥存槸
锛?/p>
A
锛?/p>
a
2
=1
锛?/p>
b
2
=2
锛?/p>
c
2
=3
B
锛?/p>
a
锛?/p>
b
锛?/p>
c=3
锛?/p>
4
锛?/p>
5
C
锛庘垹
A+
鈭?/p>
B=
鈭?/p>
C
D
锛庘垹
A
锛氣垹
B
锛氣垹
C=3
锛?/p>
4
锛?/p>
5
5.
涓嬪垪鍛介涓�嗗懡棰樻垚绔嬬殑鏈夛紙
锛?/p>
鈶犲悓鏃佸唴瑙掍簰琛ワ紝涓ょ洿绾垮钩琛岋紱鈶″鏋滀袱涓鏄洿瑙掞紝閭ｄ箞瀹冧滑鐩哥瓑锛涒憿鍏ㄧ瓑涓夎褰㈢殑瀵?/p>
12
锛庡鍥撅紝姹犲杈规湁涓ょ偣
A
锛?/p>
B
锛岀偣
C
鏄笌
B
A
鏂瑰悜鎴愮洿瑙掔殑
AC
鏂瑰悜涓婄偣锛?/p>
娴嬪緱
B
C=60m
锛?/p>
AC=20m
锛?/p>
鍒?/p>
A
锛?/p>
B
涓ょ偣闂殑璺?/p>
绂?/p>
m
锛?/p>
13.
濡傚浘锛屾墍鏈夌殑鍥涜竟褰㈤兘鏄鏂瑰舰锛屾墍鏈夌殑涓夎褰㈤兘鏄洿瑙?/p>
锛堢
1
2
棰橈級
搴旇竟鐩哥瓑锛涒懀濡傛灉涓や釜瀹炴暟鐩哥瓑锛岄偅涔堝畠浠殑骞虫柟鐩哥瓑锛?/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>
6.
鑻?/p>
2
(3
)
3
b
b
飥?/p>
飥?/p>
飥?/p>
锛屽垯锛?/p>
锛?/p>
A
锛?/p>
b
锛?/p>
3
B
锛?/p>
b
锛?/p>
3
C
锛?/p>
b
鈮?/p>
3D
锛?/p>
b
鈮?/p>
3
7.
濡傚浘锛屽湪骞抽潰鐩磋鍧愭爣绯讳腑锛屼互
O
锛?/p>
0
锛?/p>
0
锛夛紝
A
锛?/p>
1
锛?/p>
1
锛夛紝
B
锛?/p>
3
锛?/p>
0
锛変负椤剁偣锛屾瀯閫犲钩琛?/p>
鍥?/p>
杈瑰舰锛屼笅鍒楀悇鐐逛腑涓嶈兘浣滀负骞宠鍥涜竟褰㈤《鐐瑰潗鏍囩殑鏄紙
锛?/p>
A
锛庯紙锕?/p>
3
锛?/p>
1
锛?/p>
B
锛庯紙
4
锛?/p>
1
锛?/p>
C
锛庯紙锕?/p>
2
锛?/p>
1
锛?/p>
D
锛庯紙
2
锛岋梗
1
锛?/p>
锛堢
7
棰橈級
锛堢
9
棰橈級
锛堢
1
0
棰橈級
涓夎褰紝鍏朵腑鏈�澶х殑姝ｆ柟褰㈢殑杈归暱涓?/p>
9
cm
锛屽垯姝ｆ柟褰?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
鐨勯潰绉箣鍜屼负
cm
2
锛?/p>
14
锛庡鍥撅紝涓�鏍归暱
1
8cm
鐨勭瀛愮疆浜庡簳闈㈢洿寰勪负
5
cm
锛庨珮涓?/p>
1
2cm
鍦嗘煴褰㈡按鏉腑锛岄湶鍦ㄦ按鏉?/p>
澶?/p>
闈㈢殑闀垮害
h
cm
锛屽垯
h
鐨勫彇鍊艰寖鍥存槸
锛?/p>
15.
骞宠鍥涜竟褰?/p>
A
BCD
鐨勫懆闀夸负
2
0cm
锛屽瑙掔嚎
A
C
銆?/p>
BD
鐩镐氦浜庣偣
O
锛岃嫢鈻?/p>
BOC
鐨勫懆闀挎瘮
鈻?/p>
AOB
鐨勫懆闀垮ぇ
2
cm
锛屽垯
C
D=
cm
锛?/p>
16.
濡傚浘锛屸垹
AOB=30掳
锛岀偣
M
銆?/p>
N
鍒嗗埆鏄皠绾?/p>
O
A
銆?/p>
OB
涓婄殑鍔ㄧ偣锛?/p>
OP
骞冲垎鈭?/p>
AOB
锛屼笖
OP=6
锛屽綋鈻?/p>
PMN
鐨勫懆闀垮彇鏈�灏忓�兼椂锛屽洓杈瑰舰
P
MON
鐨勯潰绉负
锛?/p>
锛堢
1
3
棰橈級
锛堢
1
4
棰橈級
锛堢
1
6
棰橈級
涓夛紟瑙ｇ瓟棰橈紙
72
鈥?/p>
锛夛細
