题目内容
More and more carbon dioxide is being released into the air，________the more severe global warming effects.
| A．contributed to | B．to contribute to |
| C．contributing to | D．to be contributed to |
C
解析
______ no bus, we had to take a taxi to go to the station.
| A．There was | B．There to be | C．There had been | D．There being |
_____ according to the instructions, the robot can behave like a human being with average IQ.
| A．When to operate | B．When operating |
| C．When to be operated | D．When operated |
In the job interviews, job applicants often find themselves ________ unexpected questions, some very difficult to answer.
| A．to ask | B．asked | C．to be asked | D．asking |
Having a trip abroad is certainly good for the old couple, but it remains ____whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．seen |
A survey________public last month shows that Japan moves behind other nations in teaching youngsters right from wrong.
| A．was made | B．was making |
| C．made | D．being made |
(2013·高考北京卷)________the course very difficult，she decided to move to a lower level.
| A．Find | B．Finding |
| C．To find | D．Found |
China added 50.9 million Internet users in 2012，________ the total to 564 million at the end of last year.
| A．brought | B．bringing |
| C．having brought | D．to bring |
By the time I saw the job ________ in the newspaper，it was already too late.
| A．advertised | B．to be advertised |
| C．advertise | D．to advertise |