Ⅰ.语境填词

1．They pretend to ________ (误解) my complaint.

2．Do you know the ________ (正常的) temperature of the human body?

3．John lost his ________ (平衡) and fell off the ladder.

4．He wants a career that offers a ________ (挑战)．

5．It ________ (往往) to rain here a lot in summer.

6．Nowadays lots of young people won ________ (独立) from their parents.

7．All your changes of plan have made me totally ________ (糊涂的)．

8．The period of ________ (青春期) is very important in forming one’s character.