DƤ
4ƲȨָ˻֯ͨͶϷʽȡòƲռСʹá桢ֲƲȨ ȷ𰸣
5ҹܷɹ涨һовƲֵȨϻϣӦܵ ȷ𰸣 9.8
116͵ڽ̸ĸ˶ƶ1689Ӣʲô϶ɵλƽȣC AȨԡ Bٷ C̷ DڽƽȨ
2йһܷ״ȷ˹ڽɣB A1949 B1954 C1970 D1981
3ڽָĵԸڽ̵ɣݲD Aڽ̵ Bڽ̻
Cлμڽʽɵ Dڽ֯ 4ѧDzŽ̵ġ ȷ𰸣
5Ž̵ĴѧҪУнڽ壬ѧУٰ ȷ𰸣 9.9 1ʹȨӦȨʹĿġ˵һģD AʹȨҪʽϵطɹ涨 BʹȨҪͼ;
CʹȨҪܷȷĻԭ DʹȨҪʹȷķʽ 2ɶŮ˾˾ֱ¼е˾ԺߣC AΥͨ BΣᰲȫ C˺ DѰ 3ʹȨӦȨʹȡ˵һģD AκȨʹ
BʹɺȨʱ CȨʹ˺ϷȨ DȨʹijҪǡ
4ɶŮ˾˾ֱ¼УŮ˾ΥͨĴӦ˭𣿣C A¼е˾ BԺ C
DӦ˸
5ʹȨΥܷɹ涨ĻԭƻףɵṦܡ ȷ𰸣
6ԼȨֺܵʱκΪάȨ ȷ𰸣
9.10
1⡢ٲý⣬Ȩȼ÷ʽA Aȼ Bȼ Cȼ D˾ȼ
2־ȼãB Aȼ Bȼ Cȼ D˾ȼ
3ʹ֤ȨҪþʽʵֶȨľȼã־ȼãC Aȼ Bȼ Cȼ D˾ȼ
4ͥѰȼú˾ȼá ȷ𰸣
5ʵʩͥŰͥԱܺģӦΰķɹ涨 ȷ𰸣
9.11
1ɾɵһȨһֹܹ飬ͲˣΪҲͬȨ ˭ԣC A B¬ Cϵ˹
D˹
2ڷɵDzȷģB Aǵµĵ
BֻάȶĹ CҪڻģ⻯ DҪ
3ȨʶD AȨʶ BȨͬ CȨ DάȨΪ
4ûй淶Իɡ ȷ𰸣
5ֻȨÿȨ˲òʵȨ ȷ𰸣
9.12
1ܷ涨йD Aع Bع CͶ Dھҵ ȷ𰸣 D
2Ҫɸ˰һD Aʡн
B幤̻Ӫ CϢϢ D⳥
3йǰʡнãɸ˰ó۽˰ʵǶ٣A A50% B45% C35% D30%
4Ϊ˴ͳ۷Ʊ˰ ȷ𰸣
5ƲDzý˰ġ ȷ𰸣