Recent research has____the natural mystery, which has amazed the world.
A. got a kick out of B. got stuck in
C. thrown light on D. made sense of
（2017·江苏卷·单项填空） He hurried home, never once looking back to see if he ____________.
A. was being followed B. was following
C. had been followed D. followed
I bought my mother a present and wished to give her a surprise on her birthday, but my father____the secret.
A. put away B. put off C. gave away D. gave off
In my opinion, the key ____air pollution is to inspire people to take public transport in big cities.
A. reduced B. reducing C. to reduce D. to reducing
- This year’s Nobel Prize in medicine was awarded to two researchers from the United States and Japan for advances in discovering how the body’s immune system fights against cancer.
- Yes.____.
A. That’s a good point. B. It’s back in the news.
C. You can’t be serious. D. That’s quite something.
听下面一段独白，回答以下小题。
1.When will the activity be organized?
A. On June 14th. B. On July 30th. C. On June 30th.
2.How many hours will the activity last?
A. Ten hours.
B. Eleven hours.
C. Eleven and a half hours.
3.Which of the following is wrong?
A. There are many kinds of tasty food.
B. You can enjoy three famous singers’ voices.
C. Money raised from ticket selling will be donated.
