题目

一、根据上下文,完成下列对话.
A：Where（ ）you last week?
B：I（ ）on a farm （ ）my family.
A：What（ ）you do on the farm?
B：We（ ）trees and（ ）up carrots.
A：What（ ）did you do?
B：We（ ）cows.It（ ）fun!
A：Wonderful!I（ ）to go to the farm,too.
二、修筑一条水泥路,甲队独修需12天完成,乙队独修需15天完成,乙队先做全程的1/10,剩下的由甲、乙合做,还需多少天就能完工?

提问时间：2021-03-18

答案

A：Where（were ）you last week?
B：I（ was）on a farm （with ）my family.
A：What（ did）you do on the farm?
B：We（planted ）trees and（dig ）up carrots.
A：What（ else ）did you do?
B：We（ feeded ）cows.It（was ）fun!
A：Wonderful!I（ want ）to go to the farm,too.
二、修筑一条水泥路,甲队独修需12天完成,乙队独修需15天完成,乙队先做全程的1/10,剩下的由甲、乙合做,还需多少天就能完工?
甲队的工效：1/12,乙队的工效：1/15
（1-1/10）÷（1/12+1/15）=6
答 ：6天