2018
骞存渤鍗楃渷娲涢槼甯傞珮鑰冩暟瀛︿簩妯¤瘯鍗凤紙鐞嗙锛?/p>
涓�銆侀�夋嫨棰橈細鏈ぇ棰樺叡
12
涓皬棰橈紝姣忓皬棰?/p>
5
鍒嗭紝鍏?/p>
60
鍒?/p>
.
鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓�夐」涓紝鍙湁涓�椤规槸绗?/p>
鍚堥鐩姹傜殑
.
1
锛庡凡鐭ラ泦鍚?/p>
锛屽垯
锛?/p>
锛?/p>
A
锛?/p>
B
锛?
C
锛?
D
锛?
2.
鑻ュ鏁?
,
鍒欏鏁?/p>
鍦ㄥ骞抽潰鍐呭搴旂殑鐐瑰湪
( )
A
锛庣涓�璞￠檺
B
锛庣浜岃薄闄?/p>
C
锛庣涓夎薄闄?/p>
D
锛庣鍥涜薄闄?/p>
3
锛庡湪鈻?/p>
ABC
涓紝
鈥淎
锛?/p>
B鈥?/p>
鏄?/p>
鈥渟inA
锛?/p>
sinB鈥?/p>
鎴愮珛鐨勶紙
锛?/p>
A
锛庡厖鍒嗗繀瑕佹潯浠?/p>
B
锛庡厖鍒嗕笉蹇呰鏉′欢
C
锛庡繀瑕佷笉鍏呭垎鏉′欢
D
锛庢棦涓嶅厖鍒嗕篃涓嶅繀瑕佹潯浠?/p>
4
锛庤
m
銆?/p>
n
鏄袱鏉′笉鍚岀殑鐩寸嚎锛?/p>
伪
銆?/p>
尾
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锛?/p>
A
锛?/p>
m
鈯?/p>
伪
锛?/p>
n
鈯?/p>
尾
涓?/p>
伪
鈯?/p>
尾
锛屽垯
m
鈯?/p>
n
B
锛?/p>
m
鈭?/p>
伪
锛?/p>
n
鈯?/p>
尾
涓?/p>
伪
鈯?/p>
尾
锛屽垯
m
鈭?/p>
n
C
锛?/p>
m
鈯?/p>
伪
锛?/p>
n
鈭?/p>
尾
涓?/p>
伪
鈭?/p>
尾
锛屽垯
m
鈯?/p>
n
D
锛?/p>
m
鈯?/p>
伪
锛?/p>
n
鈯?/p>
尾
涓?/p>
伪
鈭?/p>
尾
锛屽垯
m
鈭?/p>
n
5
锛庡湪锛?/p>
1
+
x
锛?/p>
2
锛?/p>
1
锕?/p>
x
锛?/p>
5
灞曞紑寮忎腑锛屽惈
x
5
椤圭殑绯绘暟鏄紙
锛?/p>
A
锛庯梗
5
B
锛庯梗
1
C
锛?/p>
1
D
锛?/p>
5
6
锛?/p>
鏁板瀹跺彂鐜扮殑
鈥?x
+
1
鐚滄兂
鈥?/p>
鏄寚锛?/p>
浠诲彇涓�涓嚜鐒舵暟锛?/p>
濡傛灉瀹冩槸鍋舵暟锛?/p>
鎴戜滑灏辨妸闄や互
2
锛?/p>
濡傛灉瀹冩槸濂囨暟锛屾垜浠氨鏄畠涔樹互
3
鍦ㄥ姞涓?/p>
1
锛屽湪杩?/p>
鏍蜂竴涓彉鎹笅锛屾垜浠氨寰楀埌涓�涓柊鐨勮嚜鐒舵暟锛屽鏋滃弽澶嶄娇鐢ㄨ繖涓彉
鎹紝鎴戜滑灏变細寰楀埌涓�涓茶嚜鐒舵暟锛岀寽鎯冲氨鏄細鍙嶅杩涜涓婅堪杩愮畻鍚庯紝
鏈�鍚庣粨鏋滀负
1
锛岀幇鏍规嵁姝ょ寽鎯宠璁′竴涓▼搴忔鍥惧鍥炬墍绀猴紝鎵ц璇?/p>
绋嬪簭妗嗗浘杈撳叆鐨?/p>
n=20
锛屽垯杈撳嚭鐨勭粨鏋滀负锛?/p>
锛?/p>
A
锛?/p>
6
B
锛?/p>
7
C
锛?/p>
8
D
锛?/p>
9
7
锛庤嫢
x
锛?/p>
y
婊¤冻绾︽潫鏉′欢
锛屽垯
鐨勬渶灏忓�间簬
鏈�澶у�肩殑鍜屼负锛?/p>
锛?/p>
A
锛?
B
锛?
C
锛?/p>
D
锛?/p>
8
锛?/p>
濡傛灉涓�涓笁浣嶆暟鐨勫悇浣嶆暟瀛椾簰涓嶇浉鍚岋紝
涓斿悇鏁板瓧涔嬪拰绛変簬
10
锛?/p>
鍒欑О姝や笁浣嶆暟涓?/p>
鈥?/p>
鍗佸叏鍗佺編涓変綅鏁?/p>
鈥?/p>
锛堝
235
锛?/p>
锛屼换鍙栦竴涓?/p>
鈥?/p>
鍗佸叏鍗佺編涓変綅鏁?/p>
鈥?/p>
锛岃鏁颁负濂囨暟鐨勬鐜囦负锛?/p>
锛?/p>
A
锛?
B
锛?
C
锛?/p>
D
锛?
9
锛庤鍑芥暟
锛屽凡鐭ユ瀹炴暟
a
锛?/p>
b
婊¤冻
f
锛?/p>
2a
锛?/p>
+
f
锛?/p>
b
锕?/p>
4
锛?/p>
=0
锛屽垯
鐨勬渶灏忓�间负锛?/p>
锛?/p>
A
锛?/p>
1
B
锛?/p>
2
C
锛?
D
锛?/p>
4
10
锛庤嫢閿愯
蠁
婊¤冻
锛屽垯鍑芥暟
f
锛?/p>
x
锛?/p>
=cos
2
锛?/p>
x
+
蠁
锛夌殑鍗曡皟澧炲尯闂翠负锛?/p>
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?
D
锛?
11
锛庡鍥撅紝宸茬煡鎶涚墿绾?
鐨勯《鐐瑰湪鍧愭爣鍘熺偣锛岀劍鐐瑰湪
杞翠笂锛屼笖杩囩偣
锛屽渾
,
杩囧渾蹇?
鐨勭洿绾?/p>
涓庢姏鐗╃嚎鍜屽渾鍒嗗埆浜や簬
,
鍒?
鐨勬渶灏忓�间负
(
)
A
锛?/p>
23
B
锛?/p>
42
C.12
D
锛?/p>
52
12
锛庡凡鐭ュ嚱鏁?/p>
锛岃嫢
f
锛?/p>
a
锛?/p>
=g
锛?/p>
b
锛夋垚绔嬶紝鍒?/p>
b
锕?/p>
a
鐨勬渶灏忓�间负锛?/p>
锛?/p>
A
锛?
B
锛?
C
锛?/p>
1
+
ln2
D
锛?/p>
1
锕?/p>
ln2
浜屻�佸～绌洪锛堟瘡棰?/p>
5
鍒嗭紝婊″垎
20
鍒嗭紝灏嗙瓟妗堝～鍦ㄧ瓟棰樼焊涓婏級
13
锛?/p>
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鐨勬晠浜?/p>
.
鎾掍鲸杩囩▼涓紝娴峰啗鑸伴暱瑕佹眰闃熷憳浠緷娆″畬鎴愬叚椤逛换鍔★紝骞跺浠诲姟鐨勯『搴忔彁鍑轰簡濡備笅瑕佹眰锛氶噸鐐?/p>
浠诲姟
蹇呴』鎺掑湪鍓嶄笁浣嶏紝涓斾换鍔?
蹇呴』鎺掑湪涓�璧凤紝鍒欒繖鍏」浠诲姟鐨勪笉鍚屽畨鎺掓柟妗堝叡鏈?/p>
锛?/p>
14
锛?/p>
宸茬煡鈻?/p>
ABC
鐨勪笁涓唴瑙?/p>
A
锛?/p>
B
锛?/p>
C
鐨勫杈瑰垎鍒负
a
锛?/p>
b
锛?/p>
c
锛?/p>
闈㈢Н涓?/p>
S
锛?/p>
鑻?/p>
4S=a
2
锕?/p>
锛?/p>
b
锕?/p>
c
锛?/p>
2
锛?/p>
涓?/p>
b
+
c=4
锛?/p>
鍒?/p>
S
鐨勬渶澶у�间负
锛?/p>