In the experiment you should keep a watchful eye ______ the developments and record every detail.
| A．in | B．at | C．for | D．on |
When you are ______ about something, you are ______ to do whatever you can to get it.
| A．anxious; likely | B．eager; possible |
| C．enthusiastic; likely | D．concerned; probable |
The manager and general engineer _____ very strict _____ his employees and ____ his work as well.
| A．is; with; in | B．are; with; in | C．is; with; with | D．are; in; in |
Nicolaus Copernicus’ discovery about the universe is ______, which ______later achievements in astronomy science.
| A．ambitious; gave birth to | B．enthusiastic; resulted in |
| C．obvious; resulted in | D．revolutionary; led to |
We the Chinese are not to be ______, ________the situation is.
| A．beaten; however disastrous | B．defeated; whatever disastrous |
| C．beaten; whatever disastrous | D．lost; however disastrous |
People should be cautious ______their personal information when surfing the Internet so as to prevent certain computer viruses ______ it.
| A．about; to steal | B．of; stealing | C．with; to steal | D．to; from stealing |