79.Please give my best __________　___________(祝愿) to your parents. Please _________(向．．．问好)me to your parents.　　　　　　　　　　　　　　　　　

78.Please turn on the ____________(电) lights, the classroom is too dark.　　　　

77. Smoking is not ___________(允许) here. Smoking is _________(禁止) here.　　　　　　　　　　　　　　　

76. They usually do their _________(实验)in the chemistry lab or in the physics lab.　　

5.改错

Have you ever asked you why children　　　　 　 76.　　　　 　

go to school? You’ll probably say that they 　　　　 77.　　　　 　

go to learn their native languages and other 　　　　 78.　　　　 　

languages, physics, geography, history or all 　　　 　　 79.　　　　 　

the other subject.　 That’s quite true, but 　　　　　　 80.　　　　 　

why they learn these things? And are these 　　　　　 81.　　　　 　

things all what they learn at school? 　　　　　　　 82.　　　　 　

There is much in school education than 　　　　　　　 83.　　　　 　

just learning knowledge.　 We go school, above 　　　 84.　　　　 　

all, to learn how to learn, so that when we’ll 　　　　 85.　　　　 　

finish school, we can continue to learn.

根据下列句子及所给单词的首字母，写出各单词正确的完全形式

75.You must read and understand the ________(说明) before you take the medicine.　　

74.It’s too ________(危险)for the kids to play football in the streets. They might be knocked down by the cars.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

73.Our parents wished us a safe _______ (旅行)as we drove away in Toyota.　　　　　

72.Among all the subjects we are learning, I like ________(地理)best. I wish I could travel around the world one day.　　　　　　　　　　　　　　　　　　　　　　　　　　

71.The guests were _______ (欢迎)at the gate and shown where to for the dinner party.