—I am going to the post office.
—_____ you’re there, can you get me some stamps?
| A．As |
| B．While |
| C．Because |
| D．If |
This software______ protect computers from being attacked by viruses and it took my brother a long time to ______ how to start it.
| A．is intended for; come out |
| B．intends to ; turn out |
| C．is mean to; figure out |
| D．is meant for; work out |
— Oh, you sounded just like a native.
— ______. I still have trouble expressing myself.
| A．Well, not quite |
| B．I don’t care |
| C．Yes, you’re right |
| D．I’m glad you like it |
The scientific awards, like the Nobel Prize in 2015, are equal to all, ______ the research findings are good enough.
| A．so | B．as long as | C．although | D．even though |
Schools should be lively places where individuals are encouraged to ______ to their greatest potential.
| A．cultivate | B．accelerate |
| C．expand | D．develop |
It is generally believed that Watson and Crick’s discovery about DNA was ____ beginning of _____ enormous advances in _____ field of genetics.
| A．the, the, the | B．/, /, the |
| C．the, /, the | D．the, the, a |