Studies show that _____ good health depends on _____ balanced diet and plenty of rest and exercise.
| A．不填; a | B．the; a | C．the; 不填 | D．不填; 不填 |
All the doctors in the hospital insisted that he________ badly wounded and that he________ at once.
| A．should be; be operated on | B．were; must be operated on |
| C．was; should be operated | D．was; be operated on |
This crop does not do well in soils ________the one for which it has been specially developed.
| A．outside | B．other than | C．beyond | D．rather than |
In the face of ________ failure, it is the most important to keep up ________ good state of mind.
| A．/; a | B．a; / | C．the; / | D．/; the |
Sheep on a remote Scottish island are gradually shrinking _______ global warming, according to a study published in the journal Science.
| A．on account of | B．by means of | C．in case of | D．in spite of |
The long absence of rain _______ leads to a serious drought in the southwest of China, which draws the concerns of the whole country.
| A．immediately | B．accidentally | C．gradually | D．undoubtedly |