绮惧績鍒朵綔浠呬緵鍙傝�?/p>
榧庡皻鍑哄搧
榧庡皻鍑哄搧
璇炬椂鍒嗗眰璁粌
(
浜屽崄涓�
)
姝ｅ鸡瀹氱悊銆佷綑寮﹀畾鐞嗗簲鐢ㄤ妇渚?/p>
A
缁?/p>
鍩虹杈炬爣
(
寤鸿鐢ㄦ椂锛?/p>
30
鍒嗛挓
)
涓�銆侀�夋嫨棰?/p>
1
锛庡鍥?/p>
3
颅
7
颅
9
鎵�绀猴紝宸茬煡涓ゅ骇鐏
A
鍜?/p>
B
涓庢捣娲嬭瀵熺珯
C
鐨勮窛绂婚兘绛変簬
a
km
锛岀伅濉?
A
鍦ㄨ瀵熺珯
C
鐨勫寳鍋忎笢
20掳锛岀伅濉?/p>
B
鍦ㄨ瀵熺珯
C
鐨勫崡鍋忎笢
40掳锛屽垯鐏
A
涓庣伅濉?/p>
B
鐨勮窛绂?
涓?/p>
(
)
鍥?/p>
3
颅
7
颅
9
A
锛?/p>
a
km
B.
3
a
km
C.
2
a
km
D
锛?/p>
2
a
km
B
[
鍦ㄢ柍
ABC
涓紝
AC
锛?/p>
BC
锛?/p>
a
锛屸垹
ACB
锛?20掳锛?/p>
鈭?/p>
AB
2
锛?/p>
a
2
锛?/p>
a
2
锛?/p>
2
a
2
cos 120掳锛?/p>
3
a
2
锛?/p>
AB
锛?/p>
3
a
.]
2
锛庡鍥?/p>
3
颅
7
颅
10
锛屼袱搴х伅濉?/p>
A
鍜?/p>
B
涓庢捣宀歌瀵熺珯
C
鐨勮窛绂荤浉绛夛紝鐏
A
鍦ㄨ瀵熺珯鍗楀亸
瑗?/p>
40掳锛岀伅濉?/p>
B
鍦ㄨ瀵熺珯鍗楀亸涓?/p>
60掳锛屽垯鐏
A
鍦ㄧ伅濉?/p>
B
鐨?/p>
(
)
銆愬瀛﹀彿锛?/p>
51062127
銆?/p>
鍥?/p>
3
颅
7
颅
10
A
锛庡寳鍋忎笢
10掳
B
锛庡寳鍋忚タ
10掳
C
锛庡崡鍋忎笢
80掳
D
锛庡崡鍋忚タ
80掳
D
[
鐢辨潯浠跺強棰樺浘鍙煡锛?/p>
鈭?/p>
A
锛濃垹
B
锛?0掳锛?/p>
鍙堚垹
BCD
锛?0掳锛?/p>
鎵�浠モ垹
CBD
锛?0掳锛屾墍浠モ垹
DBA
锛?0掳锛屽洜姝ょ伅濉?/p>
A
鍦ㄧ伅濉?/p>
B
鍗楀亸瑗?/p>
80掳.]
3
锛庝竴鑹樻捣杞粠
A
澶勫嚭鍙戯紝浠ユ瘡灏忔椂
40
娴烽噷鐨勯�熷害娌垮崡鍋忎笢
40掳鐨勬柟鍚戠洿绾胯埅琛岋紝
30
鍒嗛挓鍚庡埌杈?/p>
B
澶勶紝鍦?/p>
C
澶勬湁涓�搴х伅濉旓紝娴疯疆鍦?/p>
A
澶勮瀵熺伅濉旓紝鍏舵柟鍚戞槸鍗楀亸涓?/p>
70掳锛屽湪
B