A new product must be _________ before it comes into use.
| A．given out | B．tried out |
| C．put out | D．made out |
If you don’t know what this means, _____ the dictionary.
| A．look into | B．look up | C．look over | D．refer to |
We bought the house for its _____. It is very near the shop where I work.
| A．characteristic | B．value | C．convenience | D．construction |
Eating too much fat can ____ heart disease and cause high blood pressure.
| A．result from | B．contribute to | C．attend to | D．devote to |
_____ being too large, the trousers are too expensive.
| A．Except | B．Apart from | C．In addition | D．Beside |
He is only too ready to help others, seldom, __, refusing them when they turn to him.
| A．if never | B．if ever | C．if not | D．if any |