Body mass index, or BMI, is a measure of a person’s weight_________ height. A person with a BMI of twenty-five to twenty-nine is considered overweight.
| A．in view of | B．in relation to |
| C．in terms of | D．in response to |
This is a very special flower and it can _______ a strong sweet perfume at night.
| A．give in | B．give up | C．give out | D．give away |
In the botanical garden we can find a(n) _______ of plants that range from tall trees to small flowers.
| A．species | B．groups | C．amount | D．variety |
—You can’t finish the book in less than an hour, I suppose?
—______.
| A．Yes, I’m sure I can | B．No, hardly |
| C．Sorry, I can’t | D．I don’t think I can |
Many manufacturers were accused of concentrating too heavily on cost reduction, often at the ______ of the quality of their products.
| A．expense | B．exposure |
| C．expansion | D．expectation |
—I would like to speak to Mr. Martin.
—There’s nobody here by that name.
—Sorry, I ______ the wrong number.
| A．should have dialed | B．must dial |
| C．could have dialed | D．must have dialed |