ѡ
1սʱڣ˵ķָ˼ __________ ( )
Aȼ Bһڷ C D Eס
2ĸΪɹȨȡĴʩҪ __________ ( )
AķΪ Bϳ» C
Dȡ ̲ϴ Ȩ EзΣִ
3ع䷨ʱĸ»ȨС硢ءΪأ __________ ( )
A B Cة D E ξ
ʽ
1» 2
ġ
䷨Ч
塢
㦵ġ
ο𰸡
һѡ
1B 2A 3A 4B 5C
ѡ
1 ABCD 2 BCD 3 BC
ʽ
1»ƣָڷѪԵϵʵзַ⣬ҸӼ̣Ϊ »ƶȡ
2սʱ䷨ʱ涨ķ÷ܷ涨ַ ٸٱһͬķΧְͬ ˼롣
ġ
ع䷨ĸȽϳף·Ƚϵһµķ ûҪƺƶȣʹعõԺܿ췢չ߱ξ ʵһԾΪ߹֮ףΪӮͳһй춨˻ԣ˵ ТΪؿҵ ䷨ĸЧ˺пϵۡ
塢
𣺡սʱκϵͳܽķĻϱඨģκ ䷨Ҫݡ (1)ָ˼ǣ ֮Īڵ ˽вƲ ȫͳΪҪ (2)6ƪӡߡСӷ˵ĸַ Ϊ߷ Ӽ ͳһ涨ϸƪ̵ͨԭ ڽ̷еƪ ֮ ڽ̷еķ (3)йʷϵһΪϵͳķ䣬ѳ죬й ķ⽨ԡΪ
ֱ䷨ʱЯأڱ䷨нıΪɣʷ ķΪ