2018
骞村ぉ娲ュ競鍒濅腑姣曚笟鐢熷涓氳�冭瘯璇曞嵎
鏁板
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
12
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
36
鍒?/p>
鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓�?/p>
椤逛腑锛屽彧鏈変竴椤规槸绗﹀悎棰樼洰瑕佹眰鐨勶級
1.
璁＄畻
鐨勭粨鏋滅瓑浜庯紙
锛?/p>
A.
5
B.
C.
9
D.
銆愮瓟妗堛�?/p>
C
銆愯В鏋愩�戝垎鏋愶細鏍规嵁鏈夌悊鏁扮殑涔樻柟杩愮畻杩涜璁＄畻锛?/p>
璇﹁В锛?/p>
锛?/p>
-3
锛?/p>
2
=9
锛?/p>
鏁呴�?/p>
C
锛?/p>
鐐圭潧锛氭湰棰樿�冩煡浜嗘湁鐞嗘暟鐨勪箻鏂癸紝姣旇緝绠�鍗曪紝娉ㄦ剰璐熷彿锛?/p>
2.
鐨勫�肩瓑浜庯紙
锛?/p>
A.
B.
C.
1
D.
銆愮瓟妗堛�?/p>
B
銆愯В鏋愩�戝垎鏋愶細鏍规嵁鐗规畩瑙掔殑涓夎鍑芥暟鍊肩洿鎺ユ眰瑙ｅ嵆鍙紟
璇﹁В锛?/p>
cos30掳
=
锛?/p>
鏁呴�夛細
B
锛?/p>
鐐圭潧锛?/p>
鏈鑰冩煡鐗规畩瑙掔殑涓夎鍑芥暟鍊肩殑璁板繂鎯呭喌锛?/p>
鐗规畩瑙掍笁瑙掑嚱鏁板�艰绠楀湪涓�冧腑缁忓父鍑虹幇锛?/p>
瑕佺啛缁冩帉鎻★紟
3.
浠婂勾
鈥?/p>
浜斾竴
鈥?/p>
鍋囨湡锛?/p>
鎴戝競鏌愪富棰樺叕鍥叡鎺ュ緟娓稿
77800
浜烘锛?/p>
灏?/p>
77800
鐢ㄧ瀛﹁鏁版硶琛ㄧず涓?/p>
锛?/p>
锛?/p>
A.
B.
C.
D.
銆愮瓟妗堛�?/p>
B
銆愯В鏋愩�戝垎鏋愶細绉戝璁版暟娉曠殑琛ㄧず褰㈠紡涓?/p>
a脳
10
n
鐨勫舰寮忥紝鍏朵腑
1鈮a|
锛?/p>
10
锛?/p>
n
涓烘暣鏁帮紟纭畾
n
鐨勫�兼椂锛?/p>
瑕佺湅鎶婂師鏁板彉鎴?/p>
a
鏃讹紝
灏忔暟鐐圭Щ鍔ㄤ簡澶氬皯浣嶏紝
n
鐨勭粷瀵瑰�间笌灏忔暟鐐圭Щ鍔ㄧ殑浣嶆暟鐩稿悓锛?/p>
褰?/p>
鍘熸暟缁濆鍊硷紴
1
鏃讹紝
n
鏄鏁帮紱褰撳師鏁扮殑缁濆鍊硷紲
1
鏃讹紝
n
鏄礋鏁帮紟
璇﹁В锛氬皢
77800
鐢ㄧ瀛﹁鏁版硶琛ㄧず涓猴細
锛?/p>
鏁呴�?/p>
B
锛?/p>