1
锛庢煇鏍￠珮涓敓鍏辨湁
900
浜猴紝鍏朵腑楂樹竴骞寸骇
300
浜猴紝楂樹簩骞寸骇
200
浜猴紝楂樹笁骞寸骇
400
浜猴紟鐜伴噰鍙?/p>
鍒嗗眰鎶芥牱鎶藉彇瀹归噺涓?/p>
45
鐨勬牱鏈紝閭ｄ箞楂樹竴銆侀珮浜屻�侀珮涓夊悇骞寸骇鎶藉彇鐨勪汉鏁板垎鍒负
(
)
A
锛?/p>
15,5,25
B
锛?/p>
15,15,15
C
锛?/p>
10,5,30
D
锛?/p>
15,10,20
銆愮瓟妗堛�?/p>
锛?/p>
D
銆愯В鏋愩�?/p>
锛氬厛纭畾鎶芥牱姣斾负
45
900
锛?/p>
1
20
锛屽垯渚濇鎶藉彇鐨勪汉鏁板垎鍒负
1
20
脳
300
锛?/p>
15
锛?
1
20
脳
200
锛?/p>
10
鍜?/p>
1
20
脳
400
锛?/p>
20.
鏁呴�?/p>
D.
2.
鏌愬悓瀛﹁繘鍏ラ珮涓夊悗锛?/p>
4
娆℃湀鑰冪殑鏁板鎴愮哗鐨勮寧鍙跺浘濡傚浘锛庡垯璇ュ悓瀛︽暟瀛︽垚缁╃殑鏂瑰樊鏄?/p>
(
)
A
锛?/p>
125
B
锛?/p>
5
5
C
锛?/p>
45
D
锛?/p>
3
5
銆愮瓟妗堛�?/p>
锛?/p>
C
3
锛庝负浜嗗垽瀹氫袱涓垎绫诲彉閲?/p>
X
鍜?/p>
Y
鏄惁鏈夊叧绯伙紝搴旂敤
K
2
鐙珛鎬ф楠屾硶绠楀緱
K
2
鐨勮娴嬪�间负
5
锛?/p>
鍙堝凡鐭?/p>
P
(
K
2
鈮?/p>
3.841)
锛?/p>
0.05
锛?/p>
P
(
K
2
鈮?/p>
6.635)
锛?/p>
0.01
锛屽垯涓嬪垪璇存硶姝ｇ‘鐨勬槸
(
)
A
锛庢湁
95%
鐨勬妸鎻¤涓?/p>
鈥?/p>
X
鍜?/p>
Y
鏈夊叧绯?/p>
鈥?/p>
B
锛庢湁
95%
鐨勬妸鎻¤涓?/p>
鈥?/p>
X
鍜?/p>
Y
娌℃湁鍏崇郴
鈥?/p>
C
锛庢湁
99%
鐨勬妸鎻¤涓?/p>
鈥?/p>
X
鍜?/p>
Y
鏈夊叧绯?/p>
鈥?/p>
D
锛庢湁
99%
鐨勬妸鎻¤涓?/p>
鈥?/p>
X
鍜?/p>
Y
娌℃湁鍏崇郴
鈥?/p>
銆愮瓟妗堛�?/p>
锛?/p>
A
銆愯В鏋愩�?/p>
锛氫緷棰樻剰锛?/p>
K
2
锛?/p>
5
锛屼笖
P
(
K
2
鈮?/p>
3.841)
锛?/p>
0.05
锛屽洜姝ゆ湁
95%
鐨勬妸鎻¤涓?/p>
鈥?/p>
X
鍜?/p>
Y
鏈夊叧绯?/p>
鈥?/p>
锛岄�?/p>
A.
4
锛?/p>
涓轰簡鐮旂┒鏌愬ぇ鍨嬭秴甯傚紑涓氬ぉ鏁颁笌閿�鍞鐨勬儏鍐碉紝
闅忔満鎶藉彇浜?/p>
5
澶╋紝
鍏跺紑涓氬ぉ鏁颁笌姣忓ぉ鐨勯攢鍞?/p>
棰濈殑鎯呭喌濡備笅琛ㄦ墍绀猴細