完全式：
Is she not a nurse?
她不是一位护士吗？
简略式：
Isn't she a nurse?
她不是一位护士吗？
词汇学习 Word study
1． urgent adj.
（1）紧迫的；急迫的：
There's an urgent message for you.
这里有你的一个要紧的口信儿。
The children in that area are in urgent need of medical attention.
那个地区的孩子们急需得到医疗方面的关注。
（2）催促的；坚持要求的：
The cries and shouts became louder and more urgent.
哭喊声越来越响，更加急迫。
2．appointment n.
约会；约定：
I have made an appointment with Doctor Smith on next Tuesday.
我与史密斯大夫约好了在下星期二见面。
When is your lunch appointment?
你与别人共进午餐的约会定在什么时候？
Once you've made an appointment, you should try to keep it.
一旦你定好约会的事情，那么你应努力守约。
练习答案 Key to written exercises
Lesson 78
A
1 She buys a new car every year. She bought a new car last year.
2 She airs the room every day. She aired it this morning.
3 He often loses his pen. He lost his pen this morning.
4 She always listens to the news. She listened to the news yesterday.
5 She empties this basket every day. She emptied it yesterday.
B
1 I painted the room in 1996.
2 She met him on 5th November.
3 They arrived a quarter to eleven.
4 He lost his pen on Saturday.