.What sets human beings apart from animals is not the pursuit of happiness, but the pursuit of meaning, ________ is unique to humans.
A.that | B.what |
C.which | D.as |
As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel.
A.primary | B.alternative | C.instant | D.unique |
Mary kept weighing herself to see how much _______ she was getting.
A.heavier | B.heavy | C.the heavier | D.the heaviest |
At times ,worrying is a normal, ________response to a difficult event or situation—a loved one being injured in an accident , for example.
A.effective | B.individual | C.inevitable | D.unfavorable |
_______ has limited technical knowledge, the old worker has a lot of experience.
A.Since | B.Unless | C.As | D.Although |
The old lady’s hand shook frequently. She explained to her doctor____this shaking had begun half a year before, and____, only because of this, she had been forced to give up her job.
A.when; how | B.how; when | C.how; how | D.why; why |