6. 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.
#20934
A
primary
B
alternative
C
instant
D
unique
推荐题目
The pianos in another shop will be________， but________.
#17674
A
cheaper；not as better
B
more cheaper；not as better
C
cheaper；not as good
D
more cheap；not as good
—How did you find the last night’s performance?—Wonderful! I’ve never seen one．
#19531
A
the best
B
a better
C
so good
D
so better
According to the report, this gentleman is ________ to be the next prime minister of the country．
#18931
A
possible
B
likely
C
probable
D
perhaps
The preschool children who watch TV programs with violent scenes are more likely to have sleep problems than those who watched programs for the age.
#17729
A
accurate
B
fantastic
C
delicate
D
appropriate