12．China is a ________ country，while America is a ________ country.(develop)

答案：1.energy　2.violence　3.independent　4.disappointment　5.presence　6.harm　7.lessen　8.cheerful　9.weightless　10.Exhausted　11.development　12.developing，developed

11．The ________ of this industry will take several years.(develop)

10．________ though she was，there was no hope of her being able to sleep.(exhaust )

9．It is known to all that man is ________ in space.(weight )

8．She is a smiling，________girl.(cheer)

7．The heat will ________during the evening.(less)

6．The treatment they gave him did him more ________ than good.(harmful)

5.Your ________ is required at the meeting.(present)

4．I could feel her ________.(disappoint)

3．She wants to earn a living by herself and be an ________ woman.(depend)