1.The book is reserved (保留) to whoever comes first.
2.The farmer gained a lot of experience by observing (观察) the growth of his vegetables.
3.If sales continue to recover, they can hire more workers and still make profits (利润).
4.The man was walking in the wood when he was attacked (攻击) by a snake.
5.The medicine is an effective (有效的) cure for a headache.
6.He is recovering (恢复) now.There is no need to call in a doctor.
7.The patient had to have one of his legs removed(去除) because of infection.
8.It is a big surprise to learn that you intend(打算) to spend your winter holiday in China.
9.Drunk driving not only affects our everyday life, but may also threaten(威胁) people’s lives.
10.As we all know, water exists(存在) in three forms：solid, liquid and gas.
