根据下列各句句意及所给中文写出该单词的正确形式。

小题1:.  Food with too much sugar and fat in it is not a healthy __________ (饮食).

小题2:.  Although he is over 70, he is still full of __________ (精力).

小题3:. We __________ (庆祝) our National Day on October 1^st every year.

小题4:. Though I hadn't seen Mary for years, I __________ (识别出) her voice on the phone at

once yesterday.

小题5:.  The Institute plans to conduct no further __________ (实验) on monkeys.

小题6:.  Time is __________ (珍贵的) to us. We must make the best of it.

小题7:.  They had a hot __________ (争论) about their children.

小题8:.  My sister is really __________ (慷慨的). She’s always buying things for her friends.

小题9:.  I have much to do before drawing a __________ (结论).

小题10:. I really __________ (钦佩) the way she brings up those kids on her own.