1. [单选题]How did the accident happen?
A. a lorry hit a car
B. a car ran into a lorry
C. a bank clerk rushed into the street
2. [单选题]下列植物中，( )根中无髓。
A. 玉米
B. 蚕豆
C. 花生
D. 小麦
E. 高梁
3. [单选题]
A. success
B. study
C. time
D. attenmpt
