《每日英语第77期》英汉互译：（2011年5月7日）

only through economic boost,our nation can become stronger.
We should be careful of environment protection while developing economic.
All the thing, no matter gas fluid or solid, was made up of
The ratio of male and female reached 5:1 in our school
# K2 S1 n. ?" oNowadays,both male and female spend too much energy to work,so ignore and even hurt their family.
9 u" ^/ I6 `) J% k. ~随着人类社会的发展，在美国很多社会的习惯好像求爱期，结婚，组织家庭从20世纪40年代开始就发生了戏剧性的变化，并持续到今天。