2018
骞村北涓滅渷娼嶅潑甯備腑鑰冪墿鐞嗚瘯鍗?/p>
涓�銆佸崟椤归�夋嫨棰橈紙鏈鏈?/p>
10
涓皬棰橈紝鍏?/p>
20
鍒?/p>
.
姣忎釜灏忛缁欏嚭鐨勫洓涓�夐」涓紝鍙湁鏄纭殑锛?/p>
閫夊鐨勬瘡灏忛寰?/p>
2
鍒?/p>
.
澶氶�夈�佷笉閫夈�侀敊閫夊潎涓嶅緱鍒嗭級
1
锛庡鍥炬墍绀虹殑鍥涚鐜拌薄锛岀敱浜庡厜鐨勫弽灏勫舰鎴愮殑鏄紙
锛?/p>
A
锛庢斁澶х殑
鈥?/p>
閲戦奔
鈥?/p>
B
锛庡涓婄殑鎵嬪奖
C
锛庢枒椹湪姘翠腑鐨勫�掑奖
D
锛庨洦鍚庣殑褰╄櫣
瑙ｆ瀽
:A
銆侀奔缂哥浉褰撲簬鍑搁�忛暅锛屾垚姝ｇ珛銆佹斁澶х殑铏氬儚锛屾槸鐢卞厜鐨勬姌灏勫舰鎴愮殑锛屾晠
A
閿欒锛?/p>
B
銆?/p>
鎵嬪奖鏄敱浜庡厜娌跨洿绾夸紶鎾舰鎴愮殑锛屾晠
B
閿欒锛?/p>
C
銆佹按涓�掑奖灞炰簬骞抽潰闀滄垚鍍忥紝鏄厜鐨勫弽灏勫舰
鎴愶紝鏁?/p>
C
姝ｇ‘锛?/p>
D
銆佸僵铏规槸鍏夌殑鑹叉暎鐜拌薄锛屽睘浜庡厜鐨勬姌灏勭幇璞★紝鏁?/p>
D
閿欒銆傛晠閫?/p>
C
銆?/p>
2
锛庢渶鍏堢簿纭‘瀹氱數娴佷骇鐢熺殑鐑噺璺熺數娴併�佺數闃诲拰閫氱數鏃堕棿鍏崇郴鐨勭墿鐞嗗瀹舵槸锛?/p>
锛?/p>
A
锛庢濮?/p>
B
锛庣劍鑰?/p>
C
锛庡ゥ鏂壒
D
锛庢硶鎷夌
瑙ｆ瀽
:
鑻卞浗鐗╃悊瀛﹀鐒﹁�冲仛浜嗗ぇ閲忓疄楠岋紝
浜?/p>
1840
骞存渶鍏堢簿纭湴纭畾浜嗙數娴佷骇鐢熺殑鐑噺璺熺數娴併�?/p>
鐢甸樆鍜岄�氱數鏃堕棿鐨勫叧绯伙紝寰楀嚭
Q=I
2
Rt
锛涗负浜嗙邯蹇典粬鍋氬嚭鐨勮础鐚紝浜轰滑灏嗕粬鐨勫悕瀛楀懡鍚嶄负鐑噺
锛堣兘閲忥級鐨勫崟浣嶏紝鏁呴�?/p>
B
銆?/p>
3
锛庤川閲忕浉鍚岀殑鐢层�佷箼涓ょ墿浣擄紝鍒嗗埆鍦ㄧ珫鐩村悜涓婄殑鎷夊姏浣滅敤涓嬶紝浠庡悓涓�浣嶇疆鍚屾椂鍚戜笂杩愬姩锛屼袱
鐗╀綋杩愬姩鐨?/p>
s
锕?/p>
t
鍥捐薄濡傚浘鎵�绀猴紝涓嬪垪鍒ゆ柇姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庣
4s
鏃朵袱鑰呯浉璺?/p>
16m
B
锛庣敳鍙楀埌鐨勬媺鍔涙瘮涔欏ぇ
C
锛庣敳鍋氶�熷害涓?/p>
4m/s
鐨勫寑閫熻繍鍔?/p>
D
锛庝互鐢蹭负鍙傜収鐗╀箼绔栫洿鍚戜笅杩愬姩
瑙ｆ瀽
:A
銆佹牴鎹浘璞″彲鐭ワ紝鐢蹭箼涓ょ墿浣撳潎鍋氬寑閫熺洿绾胯繍鍔紝绗?/p>
4s
鏃剁敳杩愬姩浜?/p>
12m
锛屼箼杩愬姩浜?/p>
4m
锛?/p>
鐢蹭箼涓ょ墿浣撲粠鍚屼竴浣嶇疆鍚屾椂鍚戜笂杩愬姩锛?/p>
鎵�浠ョ
4s
鏃朵袱鑰呯浉璺?/p>
12m
锕?/p>
4m=8m
銆?/p>
鏁?/p>
A
閿欒锛?/p>
B
銆佺敳涔欎袱鐗╀綋鍧囧仛鍖�閫熺洿绾胯繍鍔紝鍙楀埌骞宠 鍔涚殑浣滅敤锛屽彈鍒扮殑閲嶅姏涓庢媺鍔涘ぇ灏忕浉绛夛紝鐢蹭箼
涓ょ墿浣撹川閲忕浉鍚岋紝鍒欓噸鍔涚浉绛夛紝鎵�浠ョ敳鍙楀埌鐨勬媺鍔涚瓑浜庝箼鍙楀埌鐨勬媺鍔涖�傛晠
B
閿欒锛?/p>
CD
銆佹牴