中学生掌握学习方法，最重要的是（ ）
| A．照搬老师的学习方法 |
| B．学习优秀学生的学习方法 |
| C．根据自己的特点、学科特征去探索适合自己和学科的学习方法 |
| D．学习科学家的学习方法 |
The factory was built in a secret place, around ____ high mountains .
| A．which was | B．it was |
| C．which were | D．them were |
The question is ____ of great importance.
| A．that | B．it | C．one | D．what |
Yes,___ is difficult to find a job nowadays, but ____ is more difficult is to try to find such a job with a high salary but little work to do.
A it ; it B. what ; what
C. it ; what D what ; it
Some of the people had ____taken up their arms.
| A．truly | B．actual |
| C．in the fact | D．actually |
The post office is two _____away.
| A．pieces | B．stones | C．blocks | D．articles |