23.I suffered from _____ terrible cold that day and my friends told me to go to _____ doctor’s after work.

5. Why the explosion occurred was ________ the laboratory attendant had been careless．

2. —How was the journey? Did you come back by plane or by train?—For some reason. I came back by train. I _____ back by plane, though.

5.教师的劳动没有严格的交接班时间界限。（ ）

36.We unanimously elected him ______ chairman.

10.课堂管理的目的是（ ）。

16.现代学制最早出现在欧洲，于19世纪末初步形成，下列属于单轨学制的国家是（ ）。

18.We walked ________ into the forest and lost our way ; we _______regretted it.

21.—Will you have a second child?—Haven’t decided yet. We ________ about it the whole year.

14.（ ）被称为“教育学的雏形”，是人类历史上最早出现专门论述教育问题的著作。

27.Make full use of whatever happens to you, for there is something ________ from every experience.

53.My parents think being a journalist is a dangerous job, but I’m not scared of.