鈥滃璇惧ぇ甯堚�濆叏绉戙�?/p>
9
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锛氬厤娉ㄥ唽锛屼笉鏀惰垂锛?/p>
http://www.eywedu.cn/
鍖椾含鍗?/p>
2020
骞撮珮鑰冨帇杞村嵎鐗╃悊
绗?/p>
I
鍗凤紙閫夋嫨棰?/p>
)
涓�銆佸崟閫夐
1
锛?/p>
濡傚浘鎵�绀猴紝
涓�鏉熺敱绾㈠厜鍜岀传鍏夌粍鎴愮殑澶嶈壊鍏夋部
PO
鏂瑰悜鍨傜洿浜?/p>
AB
杈瑰皠鍏ユ煇鏉愭枡涓夋１
闀滃悗锛屽湪鐣岄潰
AC
涓婄殑
O鈥?/p>
澶勫垎鎴愪袱鏉熷厜绾挎部
0鈥橫
鍜?/p>
0鈥橬
鏂瑰悜灏勫嚭锛屽垯涓嬪垪璇存硶鍙兘姝?/p>
纭殑鏄紙
锛?/p>
A
锛?/p>
O鈥橫
涓虹传鍏夛紝
O鈥橬
涓虹孩鍏?/p>
B
锛?/p>
O鈥橫
涓虹孩鍏夛紝
O鈥橬
涓虹传鍏?/p>
C
锛?/p>
O鈥橫
涓虹传鍏夛紝
O鈥橬
涓虹孩绱鑹插厜
D
锛?/p>
O鈥橫
涓虹孩鍏夛紝
O鈥橬
涓虹孩绱鑹插厜
2
锛庣墿鐞嗗瀹堕�氳繃瀵瑰疄楠岀殑娣卞叆瑙傚療鍜岀爺绌讹紝
鑾峰緱姝ｇ‘鐨勭瀛﹁鐭ワ紝鎺ㄥ姩鐗╃悊瀛︾殑鍙戝睍銆?/p>
涓嬪垪璇存硶绗﹀悎浜嬪疄鐨勬槸锛?/p>
锛?/p>
A
锛庡崲鐟熺閫氳繃
绮掑瓙鏁ｅ皠瀹為獙锛岃瘉瀹炰簡鍘熷瓙鏍稿唴瀛樺湪璐ㄥ瓙鍜屼腑瀛?/p>
B
锛庣害閲屽ゥ
灞呴噷澶鐢?/p>
绮掑瓙杞板嚮
鍙戠幇浜嗕汉宸ユ斁灏勬�у悓浣嶇礌
C
锛庢櫘鏈楀厠鎻愬嚭浜嗗厜瀛愯锛屾垚鍔熷湴瑙ｉ噴浜嗗厜鐢垫晥搴旂幇璞?/p>
D
锛庡瘑绔嬫牴閫氳繃闃存瀬灏勭嚎鍦ㄧ數鍦轰腑鍜屽湪纾佸満涓殑鍋忚浆瀹為獙鍙戠幇浜嗛槾鏋佸皠绾挎槸鐢卞甫璐熺數鐨?/p>
绮掑瓙缁勬垚锛屽苟娴嬪嚭浜嗚绮掑瓙鐨勬瘮鑽?/p>
3
锛庝竴涓仛绠�璋愯繍鍔ㄧ殑璐ㄧ偣锛屽厛鍚庝互鍚屾牱鐨勯�熷害閫氳繃鐩歌窛
10cm
鐨?/p>
A
銆?/p>
B
涓ょ偣锛屽巻鏃?/p>
0.5s
锛堝鍥撅級
杩?/p>
B
鐐瑰悗鍐嶇粡杩?/p>
t
=0.5s
璐ㄧ偣浠ュぇ灏忕浉绛夈�?/p>
鏂瑰悜鐩稿弽鐨勯�熷害鍐嶆閫氳繃
B
鐐癸紝
鍒欒川
鐐规尟鍔ㄧ殑鍛ㄦ湡鏄紙
锛?/p>
A
锛?/p>
0.5s
B
锛?/p>
1s
C
锛?/p>
2s
D
锛?/p>
4s
4
锛庡浘鐢蹭负涓�鍒楃畝璋愭í娉㈠湪鏌愪竴鏃跺埢鐨勬尝褰㈠浘锛?/p>
a
銆?/p>
b
涓よ川鐐圭殑妯潗鏍囧垎鍒负
x
a
=2m
鍜?