[填空题]Only after the local residents become sick, ______ (化学品公司才开始清理污染场所).

[填空题]Only after the local residents become sick, ______ (化学品公司才开始清理污染场所).

[填空题]A person who takes after the sick.

[填空题]Person who helps the doctor to look after the sick.

[填空题]People may get seriously sick after drinking dirty water because of the harmful organisms it contains.

[简答题]Until now the local government has only been prepared to provide bus services for children living more than three miles from their school, or sometimes less if special reasons exist. Now it has been decided that if a group of parents ask for help in organizing transport, they will be prepared to go ahead, as long as the arrangement will not lose money and children will be attending their nearest school.

[单项选择]Only after he has acquired considerable facility in speaking ______ to learn to read and to write.
A. he began
B. will he begin
C. did he begin
D. must he begin

[单项选择]He was educated at the local grammar school, after ______ he went on to Cambridge.
A. what
B. that
C. which
D. whom

[单项选择]They seized Belgrade, though only after having encountered a stubborn ______.
A. persistence
B. resistance
C. insistence
D. assistance

[填空题]Only after he had finished watching the football game _________________________ (他才开始写报告).

[单项选择]

Only moments after announcing a policy of zero tolerance on cellphone(手机) use in the classroom, Ali Nazemi heard a ring. Nazemi, a business professor at Roanoke College in Virginia, took out a hammer and walked towards a young man. He smashed the offending device. Students’ faces turned white all over the classroom.
This episode reflects a growing challenge for American college teachers in, as the New York Times puts it, a "New Class (room) War: Teacher vs. Technology". Fortunately, the smashed-phone incident had been planned ahead of time to demonstrate teachers’ anger at inattentive students distracted by high-tech devices.
At age 55, Nazemi stands on the far shore of a new sort of generational divide between teacher and student. The divide separates those who want to use technology to grow smarter from those who want to use it to get dumber. Perhaps there’s a nicer way to put it. "The baby boomers seem to see technology a
A. students in his class didn’t listen to his announcement
B. he hated new gadgets such as cellphones
C. he no longer tolerated cellphone use in the classroom
D. he wanted to show how distractive the cellphone was