2019-2020
骞翠腑鑰冩暟瀛﹁瘯鍗?/p>
(word
鐗?/p>
)
璇曢
涓�銆佺粏蹇冨～涓�濉紝鐩镐俊浣犲～寰楀锛?/p>
锛堟瘡绌?/p>
3
鍒嗭紝鍏?/p>
33
鍒嗭級
1
锛庤绠楋細
3
飥?/p>
飥?/p>
锛?/p>
0
1
2
飪?/p>
飪?
飥?/p>
飥?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
锛?/p>
cos
45
飥?/p>
锛?/p>
2
锛庡垎瑙ｅ洜寮忥細
2
a
a
飥?/p>
飥?/p>
锛涘寲绠�锛?/p>
5
2
x
x
飥?/p>
飥?/p>
锛?/p>
璁＄畻锛?/p>
3
1
(
2
)
4
a
a
飪?/p>
飪?
飥?/p>
飥?/p>
飪?
飪?/p>
飪?/p>
飪?
锛?/p>
3
锛庤嫢鐐?/p>
(2
1)
P
k
飥?/p>
锛?/p>
鍦ㄧ涓�璞￠檺锛屽垯
k
鐨勫彇鍊艰寖鍥存槸
锛涚洿绾?/p>
2
y
x
b
飥?/p>
飥?/p>
缁忚繃鐐?
(1
3)
锛?/p>
锛屽垯
b
飥?/p>
锛涙姏鐗╃嚎
2
2(
2)
3
y
x
飥?/p>
飥?/p>
飥?/p>
鐨勫绉拌酱涓虹洿绾?/p>
锛?/p>
4
锛庡凡鐭ュ渾閿ョ殑搴曢潰鐩村緞涓?/p>
4cm
锛屽叾姣嶇嚎闀夸负
3cm
锛?/p>
鍒欏畠鐨勪晶闈㈢Н涓?/p>
2
cm
锛?/p>
5
锛庡鍥撅紝
ABC
鈻?/p>
鍜?/p>
DCE
鈻?/p>
閮芥槸杈归暱涓?/p>
2
鐨勭瓑杈逛笁瑙掑舰锛岀偣
B
C
E
锛?/p>
锛?/p>
鍦ㄥ悓涓�鏉＄洿绾夸笂锛岃繛鎺?/p>
BD
锛屽垯
BD
鐨勯暱涓?/p>
锛?/p>
浜屻�佺簿蹇冮�変竴閫夛紝鐩镐俊浣犻�夊緱鍑嗭紒
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
鍥涗釜绛旀涓湁涓?
鍙湁涓�涓槸姝ｇ‘鐨勶紝
璇峰皢棰樹腑鍞竴姝ｇ‘鐨勭瓟妗堝簭鍙峰～鍏ラ鍚庣殑鎷彿鍐咃紝
涓嶅～銆?/p>
濉敊鎴栧濉潎
涓嶅緱鍒嗭紝鏈婊″垎
12
鍒嗭級
6
锛庤浜嗚В涓�鎵圭數瑙嗘満鐨勪娇鐢ㄥ鍛斤紝浠庝腑浠绘剰鎶藉彇
30
鍙扮數瑙嗘満杩涜璇曢獙锛?/p>
鍦ㄨ繖涓棶棰樹腑锛?/p>
30
鏄紙
锛?/p>
A
锛庝釜浣?/p>
B
锛庢�讳綋
C
锛庢牱鏈閲?/p>
D
锛庢�讳綋鐨勪竴涓牱鏈?/p>
7
锛庤绠?/p>
a
b
a
b
b
a
a
飥?/p>
飪?/p>
飪?/p>
飥?/p>
飩?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
鐨勭粨鏋滀负锛?/p>
锛?/p>
A
锛?
a
b
b
飥?/p>
B
锛?
a
b
b
飥?/p>
C
锛?/p>
a
b
a
飥?/p>
D
锛?/p>
a
b
a
飥?/p>
8
锛庡凡鐭ュ弽姣斾緥鍑芥暟
2
y
x
飥?/p>
锛屼笅鍒楃粨璁轰腑锛屼笉姝ｇ‘
锛庯紟锛?
鐨勬槸锛?/p>
锛?/p>
A
锛庡浘璞″繀缁忚繃鐐?/p>
(1
2)
锛?/p>
B
锛?/p>
y
闅?/p>
x
鐨勫澶ц�屽噺灏?/p>
C
锛庡浘璞″湪绗竴銆佷笁璞￠檺鍐?/p>
D
锛庤嫢
1
x
飥?/p>
锛屽垯
2
y
飥?/p>
9
锛庡鍥撅紝鍥涗釜鍑犱綍浣撳垎鍒负闀挎柟浣撱�佸渾鏌变綋銆佺悆浣撳拰涓夋１鏌憋紝杩欏洓涓嚑浣曚綋涓湁涓変釜鐨勬煇
涓�绉嶈鍥鹃兘鏄悓涓�绉嶅嚑浣曞浘褰紝鍒欏彟涓�涓嚑浣曚綋鏄紙
锛?/p>
A
锛庨暱鏂逛綋
B
锛庡渾鏌变綋
C
锛庣悆浣?/p>
D
锛庝笁妫辨煴
A
D
B
C
D