____ wide spread of H1N1 is _____ challenge for the whole world. Confidence, cooperation and responsibility are keys to overcoming it.
| A．A; the | B．A; a | C．The; the | D．The; a |
Netizens are frequently reminded to be ________ about revealing (透露) their personal information on the Internet.
| A．strict | B．severe | C．cautious | D．positive |
We must apply what we have learned to our daily work because in no case _____ from practice.
| A．should theory separate | B．should theory be separated |
| C．theory should separate | D．theory should be separated |
Everyone can and every dollar counts. Please join us and donate(捐赠) some money to help earthquake victims.
| A．make sense | B．make a promise | C．make a point | D．make a difference |
— Why was it so noisy over there?
— Mo Yan, the Nobel Literature Prize Winner, was surrounded by journalists ____ he made public appearance at today’s press conference.
| A．until | B．so that | C．in case | D．the instant |
The course _______ for introducing multicultural America ranks first in the list of Popularity Courses among students this term.
| A．is intended | B．intended | C．having intended | D．intending |