2019ϰĴʡҵλְ⼰𰸣4.2
ĴҵλְݰϵжʶжϡϷȲ֡
[ְ]
1.иߴĴǡһǣ ⳡߵصļս________˰˸Сʱ ڷ⽨ͳ߶________ѹũ塣
ͭijʱڳϣ泯£________ͭԴͭ˵ A. ֤ B. ֤ʵ C. ߶ ֤ʵ D. ߶ ֤
2.иߴĴǡһǣ ưУֹܷ________ũ
ڼʱ________ǵʧ⣬ǵÿй˶鵽ʵ
۷ʦġ롱ѽг________Ҳơ
A.ֺ Ǩ B.ַ C.ַ Ǩ D.ֺ
3.ϲд֣________ӴͰشӱʶ________߿ػ________˴ӵ
뻮߲ǡһǣ A. B. Ǻ C. ¶ Ǻ D. ¶
4.ж˹̩С˵۷壬ܰؽսʷʫ㳡Ԧ硢ܰѰȵԿ̻________ĴֱҲûˡ
뻮߲ǡһǣ A.ΩΩФ B. C.ľ D
5. ij̵죬200ԪԳ齱һΡһװбΪ09ʮȫͬ齱Ĺ˿ڴһΣÿһ(Ż)һϵֱȵڶСɻij齱˿ͻǣ
A.5% B.25% C.45% D.85%
6. ijඩġ̽͡ǻۡ־ֻֻ࣬̽ǻֶֶۡ̽־22ˣǻۡ־30ˣֶֶû6֪ð42ˣôֶûж?
A.1 B.2 C.3 D.4 ο 1.𰸡B
پ䣬гнӵ˼һΪǰһijнҪڶʻԶ֮ǰʾ̬;ʾһ״̬ı֣ڡ̬˵Ǽսֵʱ䳤ӦѡųADھ䣬ָﻮı;߶ָıʹӦڡǿıḶ́ûзʹ˼ų߶C۾䣬֤ʵָ֤ȷʵ롰˵ǡѡB
2.𰸡A
پ䣬ָֺ;ñǷֶַָ败;ǰ߲ءĽ߲ءΪǿũӦѡֺųBC۾䣬ָ÷״;ָǷΧ㡣˵Ƿʦг÷ĸƣѡǡųDھ䣬ʱ
ǨΪϰߴ䡣ѡA
3.𰸡A
ȿڶգ롰ء䣬ʡǡųCDٿһգָڳڻγɵ(ڳ);ָۡۼϡꡱͰ֪˴Ͼ⡣ʱΪA
4.𰸡C
ܳıʷıʡݽܵȼܵľɣ˹ΪⲻųBDԵĿ̻áľ֡ʡʱΪC
5.𰸡C
һ9ڶֱȵһδ0ֿ;һ8ڶֱȵһδ1ֿ;ɴ˿֪ĸ(0+1++8+9)(1010)100%=45%
6.𰸡B
ֶûxˣֶ6xˣݳԭ22+30-6x+x=42x=2ֶû2ˡ