Nowadays, a growing group of dieters are trying extreme calorie _____ for a long life by eating less food.
| A．reservation | B．restriction | C．distinction | D．discrimination |
.No important progress was made in the UN Climate Conference in Copenhagen as ______ of the rich countries agreed to offer large amounts of money to fight global warming.
| A．nothing | B．none | C．neither | D．both |
A number of people suffer ill effects from drugs ______ they take the drug exactly as directed.
| A．even though | B．as if | C．in case | D．in that |
The silence of the library is sometimes broken by a sudden cough or the sound of pages _____.
| A．turning | B．turned | C．being turned | D．having turned |
It is said that _____ good companion is better than _____ fortune, which can’t buy true qualities.
| A．/; the | B．the; a | C．the; the | D．a; a |
--- Shall I give you a hand as your case is so heavy?
----Thank you._____.
| A．Of course you can | B．It’s up to you. |
| C．If you can | D．It couldn’t be better. |