阅读理解。

     Wei Jun is a good driver. He is twenty-three years old. He drives a car in a machine factory. He works

from Monday to Friday. His home is far (远) away from the factory. He gets up at half past five. He goes

to work at six o'clock. At half past seven he must get there. He has no time to have breakfast. He leaves

the factory at five o'clock. He cooks supper and does housework in the evening. He likes reading a lot.

Sometimes he watches TV. He goes to bed at about ten.

1. Wei Jun _____.

A. is a worker

B. is a car driver

C. teaches in the factory

D. makes machines

2. On Saturday and Sunday Wei Jun _____.

A. doesn't go to work

B. stays at home?

C. goes to the factory

D. reads books

3. _____, so he has no time to have breakfast.

A. He is ver busy

B. His factory is too far

C. He doesn't like having breakfast

D. He often gets up early

4. He has lunch _____.

A. at home

B. in his car

C. in the factory

D. in the park

5. He _____ in the evening.

A. washes his clothes

B. cooks supper

C. does housework

D. both B and C

（）是指将系统安装在真实环境下，由企业高层管理者、营销部门等人员进行实际应用，测试系统是否实现企业最初制定的系统商业目标。

A.系统测试

B.单元测试

C.验收测试

D.集成测试