. Stressful environments lead to some unhealthy behavior such as a poor eating habit, which _____ increases the risk of heart disease.
| A．in turn | B．in return | C．by chance | D．by turns |
I’ve promised to keep it secret so I can’t really tell you anything what you know already.
| A．for | B．about | C．of | D．beyond |
一How do you find the new book by JK Rowling?
— . I guess she is out of her talent．
| A．With the help of my mother | B．By accident |
| C．Very boring | D．In the library |
一My cousin would like to risk the weight-loss pills rather than in a gym．
—Really? She must be mad．
| A．to take；work out | B．to take；working out |
| C．taking；working out | D．taking；work out |
A study shows that students living in non-smoking dorms are less likely to the habit of smoking.
| A．make up | B．pick up | C．draw up | D．turn up |
Much to his surprise，he invited only twenty friends to the dinner，but came．
| A．twice as many as | B．as many as twice | C．twice as many | D．twice more than |