娴欐暀鐗堝垵涓暟瀛﹁瘯鍗?/p>
2019-2020
骞村叓骞寸骇鏁板涓婂唽銆婁竴娆″嚱鏁般�嬫祴璇曞嵎
瀛︽牎锛?/p>
__________
濮撳悕锛?/p>
__________
鐝骇锛?/p>
__________
鑰冨彿锛?/p>
__________
棰樺彿
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浜?/p>
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鎬诲垎
寰楀垎
璇勫嵎浜?/p>
寰楀垎
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1
锛?/p>
(2
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)
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(2
1)
y
m
x
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飥?/p>
鐨勫浘璞＄粡杩囩偣
A
锛?/p>
1
x
锛?/p>
1
y
锛夊拰鐐?/p>
B
锛?/p>
2
x
锛?/p>
2
y
锛夛紝褰?/p>
1
2
x
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鏃讹紝
1
2
y
y
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m
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锛?/p>
A
锛?/p>
0
m
飥?/p>
B
锛?/p>
0
m
飥?/p>
C
锛?/p>
1
2
m
飥?
D
锛?/p>
1
2
m
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2
锛?/p>
(2
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)
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1
y
kx
b
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2
y
x
a
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k<0
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3
x
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1
2
y
y
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涓紝姝ｇ‘鐨勪釜鏁版槸锛?/p>
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A
锛?/p>
0
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B
锛?/p>
1
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C
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2
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D
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3
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3
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(2
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)
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M
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1
y
x
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M
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锛?/p>
A
锛庯紙锛?/p>
1
锛?/p>
0
锛?/p>
B
锛庯紙
0
锛?/p>
1
锛?/p>
C
锛庯紙
1
锛?/p>
0
锛?/p>
D
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1
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1
锛?/p>
4
锛?/p>
(2
鍒?/p>
)
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20
椤靛帤涓?/p>
1 mm
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l
椤靛埌绗?/p>
2
椤电殑鍘氬害涓?/p>
y
锛?/p>
mm
锛夛紝鍒?/p>
锛?/p>
锛?/p>
A
锛?/p>
1
20
y
x
飥?
B
锛?/p>
y=20x
C
锛?/p>
1
20
y
x
飥?
飥?/p>
D
锛?/p>
20
y
x
飥?
5
锛?/p>
(2
鍒?/p>
)
濡傛灉鍑芥暟
y=ax+b
锛?/p>
a<0
锛?/p>
b<O
锛夊拰
y=kx
锛?/p>
k>0
锛夌殑鍥捐薄浜や簬鐐?/p>
P
锛岄偅涔堢偣
P
搴旇浣?/p>
浜庯紙
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>
6
锛?/p>
(2
鍒?/p>
)2007
骞存垜鍥介搧璺繘琛屼簡绗叚娆″ぇ鎻愰�燂紝涓�鍒楃伀杞︾敱鐢插競鍖�閫熼┒寰�鐩歌窛
600 km
鐨勪箼
甯傦紝鐏溅鐨勯�熷害鏄?/p>
200 km
锛?/p>
h
锛岀伀杞︾涔欏競鐨勮窛绂?/p>
S
锛堝崟浣嶏細
km
锛夐殢琛岄┒鏃堕棿
t
锛堝崟浣嶏細
h
锛夊彉鍖栫殑鍑芥暟鍏崇郴鐢ㄥ浘璞¤〃绀烘纭殑鏄紙
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