The radiation amount of a mobile phone for two half-hour periods per day is equal to _______ to an X-ray for ten seconds.
| A．expose | B．exposing | C．exposed | D．being exposed |
I wanted some paper but there was _____ in the house.
| A．nothing | B．none | C．no one | D．not one |
Many lifestyle patterns do such great harm to health that they actually speed up ______weakening of the human body.
| A．a; / | B．/; the | C．a; the | D．/; / |
—Ken, ______, but your radio is going too loud．
—Oh, I'm sorry．I'll turn it down right now．
| A．I hate to say it | B．It doesn't hurt to ask |
| C．I'm really tired of it | D．I'm crazy about it |
Thousands of people _______ to watch yesterday’s match against Ireland.
| A．turned on | B．turned in | C．turned around | D．turned out |
The first time he had a dinner with some high officials, he felt _____ uneasy.
| A．a sort of | B．sort of | C．of a sort | D．all sorts of |