阅读下面短文，掌握其大意。然后从1～20各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。

When Alice started to cycle home from Jenny's house, she wasn't nervous. She was certainly not afraid of the dark.1, it was only a 15,ncnule ride home. But halfway there, she began to wish that he hadn't been so2.
As she rounded a sarp benu, it suddenly3cold－very cold. Alice's breath became puffs of white cloud and her legs aso cale that it became hard to ride.
With her liart beating fast, she struggled so hard to move4that the didn't hear the car which suddenly appeared beside her. She stopped by the road. The big black car also5,Slowly, the passenger-window began to slide down. Alice held her breath. In the soft light inside the car, something6. Then, the light brightened and Alice was staring at a sweet, grey-haired old lady. "Hello, dear,"said the old lady. "I need7. I'm afraid I'm lost. I need to find the nearest airport. I must be there in the next five minutes."
"Airport? You8are lost,"Alice said. "You need to go back five kilometers9you reach the"
T-junction.Turn left and10for about another 10 kilometers to the main highway.From there,just follow the11to the airport.But I'm afraid there's no12you'll get there in five minutes!"
"Thank you very much,dearn eplied the old lady."Don't worry-I'll13it time."
The14up and the started off.A little way ahead,it15and with hedlights filashing, it drove past Alice. But then, mething16happened.The car hegary changing flrst, its color17from black to silvey grew when, the wheels began disappearing, but the car  to move forward,18just above the grolld. As the car19into the dark sky, the big red tail-lights grew larger and larger and glowed more and more brightly.With a faint whistling20,the car was gone in seconds,leaving Alice shaking her head in disbelief…

1．	A． However B． Besides C． Therefore D． Othrwise

2．	A． brave B． excited C． eurious D． grew

3．	A． fell B． around C． forward D． backward

4．	A． aside B． around C． forward D． backward

5．	A． arrived B． aopped C． stayed D． started

6．	A． gathered B． opped C． stayed D． started

7．	A． help B． exicult C． rest D． water

8．	A． necess B． gas C． rest D． water

9．	A． if B． until C． unless D． as

10．	A． drive B． walk C． follow D． march

11．	A． address B． sigms C． notiees D． guidance

12．	A． doubt B． room C． time D． way

13．	A． have it B． get it C． make it D． finishit

14．	A． door B． window C． headlight D． wheel

15．	A． passed B． rashed C． turned D． continued

16．	A． strange B． entive C． imaginable D． horrible

17．	A． developen B． apend C． spread D． ladea

18．	A． rollin B． floating C． drawing D． flashing

19．	A． pointed B． returned C． broke D． rose

20．	A． tune B． voice C． sound D． tone