33.They’re always ______ unimportant matters.

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.

10.课堂管理的目的是（ ）。

50.Journalists have to be very independently, and they need many different skill. 

（ ）也叫“助长性迁移”，是指一种学习对另一种学习的促进作用。

3. Every boy and every girl ________ pleased when they saw Shenzhou VI was sent up to space.

1.解释教育问题是教育学的根本任务。（ ）

19.If the _______ is correct, the spacecraft should reach the moon on Monday.

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.

三、判断题（10分。正确请选择A，错误请选择B。）46. The study was published in latest issue of the journal Pediatrics.

35.The moon moves ______ the earth.