78. It is only when people try to live on a very restricted diet that it is necessary to make special provision to supply the missing vitamins.
79. It used to distress large numbers of Eastern peoples who lived mainly on rice.
80. It has become harder and harder for a teenager to stand up against the popularity wave and to go his or her own way.
Section B
Directions: In this part there are five sentences in Chinese. You should translate them into English. Be sure to write clearly.
81、每当听到这首歌时,我就会想起你。
82、由于很多学生缺席,我们不得不将会议延期。
83、他们5年前搬走了,但我们还保持着联系。
84、每当听到这首歌时,我就会想起你。
85、在得到很多细节前,我想避免跟他说话。

