阅读理解。
Mr and Mrs Jones were going on their vacation (假期) with their children, and they must arrive at the
airport before 11:40 the next morning."It takes us thirty minutes to get there in a car," Mr Jones said," so
we must get ready before eleven o'clock. Don't be late."
At ten-fifty, all of them were busy doing something, but Mrs Jones wasn't. She sat quietly in a chair in the
garden and enjoyed the good weather.
Mr Jones and the children were surprised, but Mrs Jones said,"Don't worry! Before I went to bed last
night, I made all our clocks and watches twenty minutes ahead (提前). Now we can get to the airport early."
1. Why did the Jones family have to be ready before eleven o'clock?
A. Because they were going to a party.
B. Because they must arrive at the airport at 11:40.
C. Because they had to go to a town.
2. How long does it take to go from Mr Jones' house to the airport by car?
A. Twenty minutes.
B. Thirty minutes.
C. Fifty minutes.
3. Mr Jones and the children were ______ when they saw Mrs Jones sitting in the garden.
A. sad
B. happy
C. surprised
4. Why did Mrs Jones sit quietly?
A. Because she made all the clocks and watches ahead and they wouldn't be late.
B. Because she didn't like to spend her vacation.
C. Because she wanted to stay at home.
5. What time was it in fact (事实上) when Mr Jones and the children were busy doing things?
A. It was ten-fifty.
B. It was eleven-ten.
C. It was ten-thirty.
-2.58s,
+2.58s)范围内的变量值个数占全部例数的().