瀹炵敤绮惧搧鏂囩尞璧勬枡鍒嗕韩
2018
骞村崡闃冲競涓�冩暟瀛︿竴妯¤瘯鍗凤紙闄勭瓟妗堝拰瑙ｉ噴锛?/p>
2018
骞存渤鍗楃渷鍗楅槼甯備腑鑰冩暟瀛︿竴妯¤瘯鍗?/p>
涓�銆侀�夋嫨棰?/p>
涓嬪垪鍚勬暟鐨勭浉
鍙嶆暟涓紝姣?/p>
1
澶х殑鏁版槸
(
) A. -
鈭? B. 0 C.
-1 D. 4
涓嬪垪杩愮畻
涓笉姝ｇ‘鐨勬槸
(
)
A.
a^3+a^2=a^5
B.
a^3
鈰?/p>
a^2=a^5
C.
a^3
梅
a^2=a
D.
(a^3
)^2=a^6
濡傚浘鏄敱鍑犱釜鐩稿悓鐨勫皬姝ｆ柟褰㈡惌鎴愮殑鍑犱綍浣撶殑涓昏
鍥句笌宸﹁鍥撅紝
鍒欐惌鎴愯繖涓嚑浣曚綋鐨勫皬姝ｆ柟浣撶殑涓暟鏈�澶氭槸
(
)
A.
6
B. 7 C. 8 D. 9
濡傚浘锛岀偣
A
鍦ㄥ弽姣斾緥鍑芥暟
y=k/x
鐨勫浘璞′笂锛孉M鈯
杞翠簬鐐?/p>
M
锛?/p>
P
鏄?/p>
x
杞翠笂涓�鍔ㄧ偣锛?/p>
褰撯柍APM
鐨勯潰绉槸
4
鏃讹紝
k
鐨勫�兼槸
(
)
A. 8 B. -8 C. 4 D. -4
涓嶇瓑寮忕粍{鈻?2x+1鈮?@
-
1/2 x<1)鈹ょ殑鏁存暟瑙ｇ殑鍜屼负
(
) A. -2 B.
-1
C.
0
D.
1
鏌愮鏅皬缁勬湁
5
鍚嶆垚鍛橈紝韬珮鍒嗗埆涓?/p>
(
鍗曚綅锛?/p>
cm)
锛?/p>
165
锛?/p>
170
锛?/p>
175
锛?/p>
168
锛?/p>
172
锛屽鍔犺韩楂樹负
170cm
鐨?/p>
1
鍚嶆垚鍛樺悗锛岀幇鍦ㄧ鏅皬
缁勬垚鍛樼殑韬珮涓庡師鏉ョ浉姣?/p>
(
)
A.
骞冲潎鏁颁笉鍙橈紝鏂瑰樊鍙樺皬
B.
骞冲潎
鏁颁笉鍙橈紝鏂瑰樊鍙樺ぇ
C.
骞冲潎鏁颁笉鍙橈紝鏂瑰樊涓嶅彉
D.
骞冲潎鏁板彉灏忥紝鏂瑰樊
涓嶅彉
鍏充簬
x
鐨勪竴鍏冧簩娆℃柟绋?/p>
(a-1)x^2+3x-2=0
鏈夊疄鏁版牴锛屽垯
a
鐨勫彇
鍊艰寖鍥存槸
(
)
A.
a>-
1/8
B.
a鈮?/p>
-1/8
C.
a>-1/8
涓?/p>
a鈮?
D.
a鈮?/p>
-1/8
涓?/p>
a鈮? 鏈変袱涓湁涓や釜闄ゆ墍鏍囨暟瀛楀鏋勯�犲畬鍏ㄧ浉鍚岀殑杞洏
A
鍜?/p>
B
锛屾父
鎴忚瀹氾細涓や汉鍚勯�夋嫨涓�涓浆鐩樿浆涓�娆★紝鎸囧悜鐨勬暟瀛楄緝澶ц�呰幏鑳滐紝鍒欓�?/p>
鎷╄浆鐩?/p>
A
鑾疯儨鐨勬鐜囨槸
(
) A. 2/3 B. 5/9 C. 1/2 D. 4/9
濡傚浘锛?/p>
鍦?/p>
Rt鈻矨BC
涓紝
鈭燗CB=
銆?/p>
90
銆?/p>
^
鈭?/p>
锛?/p>
灏嗏柍
ABC
缁曢《鐐?/p>
C
閫嗘椂閽堟棆杞緱鍒?/p>
锛?/p>
M
鏄?/p>
BC
鐨勪腑鐐癸紝
P
鏄?/p>
鐨勪腑鐐癸紝杩炴帴
PM.
鑻?/p>
BC=2
锛屸垹BAC=銆?/p>
30
銆?/p>
^
鈭?/p>
锛?/p>
鍒欑嚎娈?/p>
PM
鐨勬渶澶у�兼槸
(
)
A. 4 B. 3 C. 2 D. 1
鍦ㄦ墖褰?/p>
OAB
涓紝鈭燗OB=銆?/p>
90
銆?/p>
^
鈭?/p>
锛屾鏂瑰舰
OCED
鐨勯《鐐?/p>
C
锛?/p>
D
鍒嗗埆鍦ㄥ崐寰?/p>
OA
锛?/p>
OB
涓婏紝椤剁偣
E
鍦ㄣ�?/p>
AB
銆椻敶
鈱?/p>
涓婏紝浠?/p>
O
涓?/p>
鍦嗗績锛?/p>
OC
闀夸负鍗婂緞浣?/p>
銆?/p>
CD
銆?/p>
鈹?/p>
鈱?/p>
锛?/p>
鑻?/p>
OA=2
锛?/p>
鍒欓槾褰遍儴鍒嗛潰绉负
(
)
A.
蟺
B.
蟺
/2 C. 鈭? D. 1
浜屻�?/p>
濉┖棰?/p>
璁＄畻锛?/p>
(
蟺
-3)^0+(-1/3
)^(-1)=______
锛?/p>
濡傚浘锛?/p>
EF//BC
锛?/p>
鑻?/p>
AE
锛?/p>
EB=2
锛?/p>
1
锛?/p>
EM=1
锛?/p>
MF=2.
鍒?/p>
BN
锛?/p>
NC=______
锛?/p>
鑻ュ皢鍥句腑鐨勬姏鐗╃嚎
y=x^2-2x+c
鍚戜笂骞崇Щ锛?/p>
浣垮畠缁忚繃鐐?/p>
(2,0)
锛?/p>
鍒欐鏃?/p>
鐨勬姏鐗╃嚎浣嶄簬
x
杞翠笅鏂圭殑鍥捐薄瀵瑰簲
x
鐨勫彇鍊艰寖鍥存槸
______
锛?/p>
濡傚浘鈶狅紝鍦ㄦ鏂瑰舰
ABCD
涓紝鐐?/p>
E
鏄?/p>
AB
鐨勪腑鐐癸紝鐐?/p>
P
鏄瑙掔嚎
AC
涓?