Hundreds of species are declared to _____ in the coming century.
| A．die away | B．die out | C．die down | D．die off |
Nowadays students can enjoy easy _______ to various learning resources through the Internet.
| A．access | B．introduction | C．way | D．description |
Many of the scientists and engineers are judged _______ how great their achievements are.
| A．in time of | B．in ways of | C．in view of | D．in terms of |
— I will come to attend your lecture at 10:00 tomorrow.
— I’m sorry, by then my lecture will have ended and I _____ in my office.
| A．am working | B．will work | C．will be working | D．will have worked |
— Will you go to the World Expo in Shanghai by bullet train after the Examination?
—_______ I may go by air.
| A．Why not? | B．Not really. | C．How come? | D．Oh, great. |
There are two main sets of Games — the Winter and the Summer Olympics, and both are held every four years on a _________ basis.
| A．valuable | B．former | C．regular | D．swift |