1
銆佷竴鏀湣鐑涢暱
20
鍘樼背
,
锛庣偣鐕冨悗姣忓皬鏃剁噧鐑?/p>
5
鍘樼背
,
鐕冪儳鏃跺墿涓嬬殑楂樺害
n
(
鍘樼背
)
涓庣噧鐑ф椂闂?/p>
t(
鏃?/p>
)
鐨勫嚱鏁板叧绯荤殑鍥捐薄
鏄紙
锛?/p>
A
B
C
D
2
銆?/p>
宸茬煡姝ｆ瘮渚嬪嚱鏁?/p>
kx
y
飥?/p>
锛?/p>
0
飩?/p>
k
锛?/p>
鐨勫嚱鏁板�?/p>
y
闅?/p>
x
鐨勫澶ц�屽澶э紝
鍒欎竴娆″嚱鏁?/p>
k
x
y
飥?/p>
飥?/p>
鐨勫浘璞″ぇ鑷存槸
锛?/p>
锛?/p>
A
B
C
D
3
銆佺敳銆佷箼涓や汉鍚屾椂娌跨潃涓�鏉＄瑪鐩寸殑鍏矾鏈濆悓涓�鏂瑰悜鍓嶈锛屽紑濮嬫椂锛屼箼鍦ㄧ敳鍓?/p>
2
鍗冪背澶勶紝
鐢层�佷箼涓や汉琛岃蛋鐨勮矾绋?/p>
S
锛堝崈绫筹級涓庢椂闂?/p>
t
锛堟椂锛夌殑鍑芥暟鍥捐薄锛堝鍥炬墍绀猴級
锛屼笅鍒楄娉曟
纭殑鏄紙
锛?/p>
A
銆佷箼鐨勯�熷害涓?/p>
4
鍗冪背
/
鏃?/p>
B
銆佺粡杩?/p>
1
灏忔椂锛岀敳杩戒笂涔?/p>
C
銆佺粡杩?/p>
0.5
灏忔椂锛屼箼琛岃蛋鐨勮矾绋嬬害涓?/p>
2
鍗冪背
D
銆佺粡杩?/p>
1.5
灏忔椂锛屼箼鍦ㄧ敳鐨勫墠闈?/p>
4
銆佸綋
1
4
飥?/p>
a
鐨勫�间负鏈�灏忓�兼椂锛?/p>
a
鐨勫彇鍊间负锛?/p>
锛?/p>
A
銆侊紞
1
B
銆?/p>
0
C
銆?/p>
4
1
飥?/p>
D
銆?/p>
1
5
銆佽嫢
鏄?/p>
169
鐨勭畻鏈钩鏂规牴锛?/p>
鏄?/p>
121
鐨勮礋鐨勫钩鏂规牴锛屽垯锛?/p>
锛?/p>
锛?/p>
2
鐨勫钩鏂规牴涓猴紙
锛?/p>
A. 2
B. 4
C.卤
2
D. 卤
4
6
銆佹弧瓒筹紞
3
锛?/p>
x
锛?/p>
5
鐨勬暣鏁?/p>
x
鏄紙
锛?/p>
A
銆侊紞
2,
锛?/p>
1,0,1,2,3
B
銆侊紞
1,0,1,2,3
C
銆侊紞
2,
锛?/p>
1,0,1,2
D
銆侊紞
1,0,1,2
7
銆佸鍥撅紝鏈変竴鍦嗘煴锛屽畠鐨勯珮绛変簬
8
cm
锛屽簳闈㈢洿寰勭瓑浜?/p>
4
cm
(
飦?/p>
=3)
锛庡湪鍦嗘煴涓嬪簳闈㈢殑
A
鐐规湁涓�鍙殏铓侊紝
瀹冩兂鍚冨埌涓婂簳闈笌
A
鐩稿鐨?/p>
B
鐐瑰鐨勯鐗╋紝闇�瑕佺埇琛岀殑鏈�鐭矾绋嬪ぇ绾︾瓑浜?/p>
锛?/p>
锛?/p>
A
锛?/p>
10cm
B
锛?/p>
12 cm
C
锛?/p>
19cm
D
锛?/p>
20cm
8
銆佺洿绾?/p>
y
kx
b
飥?/p>
飥?/p>
缁忚繃鐐?/p>
(
1,
)
A
m
飥?/p>
锛?/p>
(
,1)
B
m
(
1)
m
飥?/p>
锛屽垯蹇呮湁锛?/p>
锛?/p>
A.
0,
0
k
b
飥?/p>
飥?/p>
.
0,
0
B
k
b
飥?/p>
飥?/p>
.
0,
0
C
k
b
飥?/p>
飥?/p>
.
0,
0
D
k
b
飥?/p>
飥?/p>
9
銆佸鏋?/p>
0
ab
飥?/p>
锛?
0
a
c
飥?/p>
锛屽垯鐩寸嚎
a
c
y
x
b
b
飥?/p>
飥?/p>
飥?/p>
涓嶉�氳繃锛?/p>
锛?/p>
A
锛庣涓�璞￠檺
B
锛庣浜岃薄闄?/p>
C
锛庣涓夎薄闄?/p>
D
锛庣鍥涜薄闄?/p>
10
銆佸鍥撅紝涓ょ洿绾?/p>
1
y
kx
b
飥?/p>
飥?/p>
鍜?/p>
2
y
bx
k
飥?/p>
飥?/p>
鍦ㄥ悓涓�鍧愭爣绯诲唴鍥捐薄鐨勪綅缃彲鑳芥槸锛?/p>
锛?/p>
x
y
x
y
x
y
x
y
O
O
O
O
S(
鍗冪背
)
1
2
3
4
0.5
1
涔?/p>
鐢?/p>
O
t (
鏃?/p>
)