2021骞存柊鐤嗗叕鍕�(w霉)鍝¤€冭│琛屾脯鏁�(sh霉)閲忛棞(gu膩n)绯荤反缈�(x铆)椤�
鐎忚
鏀惰棌
2021骞存柊鐤嗗叕鍕�(w霉)鍝¤€冭│琛屾脯鏁�(sh霉)閲忛棞(gu膩n)绯荤反缈�(x铆)椤�
2021骞存柊鐤嗗叕鍕�(w霉)鍝¤€冭│鍗冲皣闁嬪锛岀瓎瑭︽檪闁撶偤8鏈�28鏃�-29鏃�銆傛兂瑕佸強鏅備簡瑙�2021骞存柊鐤嗗叕鍕�(w霉)鍝¤€冭│婧栬€冭瓑鎵撳嵃鏅傞枔銆佺瓎瑭︽檪闁�銆佺瓎瑭︽垚绺炬煡瑭㈡檪闁�銆侀潰瑭︽檪闁撶殑鑰冪敓锛屽彲浠ヤ娇鐢� 鍏嶈不闋�(y霉)绱勭煭淇℃彁閱�鏈嶅嫏(w霉)锛屾渻鍦ㄨ€冭│鐨勫悇鍊嬮噸瑕佹檪闁撶瘈(ji茅)榛炰互鐭俊褰㈠紡鎻愬墠鎻愰啋锛屼笉鍐嶉尟婕忛噸瑕佹檪闁撶瘈(ji茅)榛炲摝銆�
1.鏌愭締姘磋缃彲鏍规摎(j霉)澶╂埃闄版櫞瑾�(di脿o)绡€(ji茅)婢嗘按閲忥紝鏅村ぉ婢嗘按閲忕偤闄伴洦澶╃殑2.5鍊�銆傜亴婊胯┎瑁濈疆鐨勬按绠卞悗锛屽湪閫ｇ簩(x霉)鏅村ぉ鐨勬儏娉佷笅鍙偤妞嶇墿鑷嫊婢嗘按18澶�銆傚皬鏉�6鏈�1鏃�0:00鐏屾豢姘寸鍚�锛�7鏈�1鏃�0:00姝ｅソ鐢ㄥ畬锛岄偅涔�6鏈堝叡鏈夊灏戝€嬮櫚闆ㄥぉ( )
A.10
B.16
C.18
D.20
2.鏌愬(xu茅)鏍¤臣璨蜂竴鎵归亱鍕曞櫒鏉愮櫦(f膩)鏀剧郸楂旇偛鑰佸斧锛岀櫦(f膩)鐝�(xi脿n)濡傛灉閫佺郸姣忎綅鑰佸斧4鍊嬬眱鐞�锛岄偅涔堥倓鍓�28鍊嬬眱鐞�;濡傛灉閫佺郸姣忎綅鑰佸斧5鍊嬬眱鐞�锛岄偅涔堟渶鍚庝竴浣嶈€佸斧鍙堜笉瓒�4鍊嬬眱鐞冿紝鍓囬€欏€嬪(xu茅)鏍＄殑楂旇偛鑰佸斧浜烘暩(sh霉)鑷冲皯鏄�( )
A.27浜�
B.29浜�
C.30浜�
D.33浜�
3.鍋囪ō(sh猫)鏌愮墽鍫寸殑闈掕崏涓€鐩撮兘鏄嫽閫熺敓闀风殑銆傝┎鐗у牬5鏈堝垵鏀鹃(y菐ng)鏈�1000鍙緤锛�30澶╁悗闈掕崏鐨勭附閲忚畩?y艒u)?鏈堝垵鐨�90%锛屾鏅傜墽鍫村張璨蜂締浜�300鍙緤锛�12澶╁悗闈掕崏鐨勭附閲忚畩?y艒u)?鏈堝垵鐨�80%锛屽鏋滆璁撻潚鑽夊湪鎺ヤ笅渚�4鍊嬫湀鍏�(n猫i)(姣忔湀鎸�30澶╄▓绠�)鍥炲埌5鏈堝垵鐨勭附閲�锛屽墖閫�4鍊嬫湀闁撹┎鐗у牬鏀剧墽缇婄殑鏁�(sh霉)閲忔渶澶氭槸( )
A.800鍙�
B.750鍙�
C.700鍙�
D.600鍙�
4.鏌愪慨璺伐绋嬮渶瑕佸湪涓€娈佃矾閭婄殑缍犲寲甯朵笂鏍界ó妯规湪銆傞€欐璺附闀峰害鐐�204绫�锛岀洰鍓嶅湪閫欐璺捣榛炵殑鍏╁伌(c猫)鍜岀祩榛炵殑鍏╁伌(c猫)宸插悇鏍界ó浜嗕竴妫垫ü锛岀従(xi脿n)鍦ㄨ鍦ㄩ€欐璺殑鍏╁伌(c猫)鏍界ó鏇村鐨勬ü锛屽苟瑕佹眰姣忎竴鍋�(c猫)鐨勬瘡鍏╂５妯逛箣闁撶殑闁撻殧涓嶈兘澶т簬12绫�銆傚鏋滄牻绋竴妫垫ü闇€瑕佷汉宸ヨ不50鍏�锛岄偅涔堢偤浜嗗畬鎴愬伐绋嬩换鍕�(w霉)锛岄爡鐩祫鎳�(y墨ng)瑭茶嚦灏戞挜娆�( )
A.800鍏�
B.1600鍏�
C.1700鍏�
D.1800鍏�
瑙ｆ瀽锛�
1.D
鐢遍鐩墍绲﹀嚭鐨勬櫞澶╂締姘撮噺鑸囬櫚闆ㄥぉ婢嗘按閲忎箣姣�锛屽彲瑷�(sh猫)鏅村ぉ婢嗘按閲忕偤5锛岄櫚闆ㄥぉ婢嗘按閲忕偤2锛屽墖姘寸绺�?c猫)钀樼箾?×18=90銆傜敱椤屽凡鐭�6鏈堟暣鏈堝叡鏈�30澶�锛岃ō(sh猫)闄伴洦澶╂暩(sh霉)鐐簒锛屾櫞澶╂暩(sh霉)鐐�(30-x)锛屽墖5(30-x)+2x=90锛岃В寰梮=20澶�銆�
2.C
瑷�(sh猫)瀛�(xu茅)鏍″収(n猫i)楂旇偛鑰佸斧浜烘暩(sh霉)鐐簒锛屽墖绫冪悆绺芥暩(sh霉)鐐�4x+28銆傜郸姣忎綅楂旇偛鑰佸斧鍒�5鍊嬫檪锛屾渶鍚庝竴浣嶈€佸斧鏈冨垎鍒�4x+28-5(x-1)=33-x锛岀敱椤岀洰鍙煡33-x<4锛屽墖寰楀嚭x>29锛屽墖瑭叉牎鑰佸斧浜烘暩(sh霉)鑷冲皯鏄�30浜恒€�
3.C
瑷�(sh猫)姣忓彧缇�锛屾瘡澶╁悆鑽夌殑閲忕偤1锛岀墽鍫寸殑闈掕崏姣忓ぉ鐢熼暦閲忕偤x锛岀墽鍫村師鏈夎崏閲忕偤y锛屾牴鎿�(j霉)椤屾剰鍙垪鏂圭▼锛�30(1000-x)=12(1300-x)=(1-90%)y锛岃В寰梮=800锛寉=60000銆傚墖缇婃噳(y墨ng)瑭茬偤[800×30×4-60000×(1-80%)]÷(30×4)=700鍙�銆�
4.B
椤岀洰姹傝姳璨绘渶灏�锛屽墖闇€瑕佹牻绋殑妯圭殑鏁�(sh霉)閲忔渶灏�锛屽嵆鍏╂５妯逛箣闁撶殑闁撻殧鏈€澶�銆傜敱椤岀煡锛屽叐妫垫ü涔嬮枔锛岄枔闅旀渶澶х偤12绫�锛屽墖姣忎竴鍋�(c猫)闇€瑕佹牻绋ü鐨勬暩(sh霉)閲忕偤204÷12=17妫�锛岀敱浜庡墠鍚庡叐绔凡缍�(j墨ng)鏍界ó浜嗘ü锛屽墖瑕佸湪鍏╁伌(c猫)绋ü鐨勬暩(sh霉)閲忕偤(17-1)×2=32妫�锛屽墖闋�(y霉)绠楃偤32×50=1600鍏冦€�
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