Ⅰ. 根据句意及汉语提示写出正确单词
1. Parents are required to give their children more free time to （
explore
）the natural world.
2. I didn't hate her，but I admit her presence （
annoyed
）me.
3. My first （
impression
）of her was that she was a kind and thoughtful young woman.
4. I used to be （
outgoing
），but now I have few friends，and I become a little quiet.
5. The shy girl felt （
embarrassed
）and uncomfortable when she could not answer her teacher's questions.
6. Television and radio needed many more women in （
senior
）jobs.
7. This question can be answered only by （
experiments
）.
8. Jim is a talkative （
guy
），and he likes to have a conversation with anyone.
9. They （
concentrated
）all their attention on finding a solution to the problem.
10. Exercise like walking or running not only brings energy but also builds （
confidence
）.
