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.
#18252
A
abrupt
B
alternative
C
authentic
D
abstract
推荐题目
In this lecture, I can only give you a purely ______ view of how we can live life to the full and make some suggestions about the future.
#18250
A
precious
B
unique
C
different
D
personal
In the park , the number of the visitors is tightly ____ to avoid damaging the environment or putting stress on the animals.
#19787
A
limited
B
intended
C
expected
D
encouraged
Compared with his sister, Jerry is even more ____ to, and more easily troubled by , emotional and relationship problems.
#20899
A
sceptical
B
addicted
C
available
D
sensitive
What a ______ smell! How long was it since you last cleaned the house?
#19835
A
smelly
B
tasty
C
sweet
D
disgusting
It was most of you to lend me money when I was in trouble.
#20532
A
selfish
B
generous
C
relieved
D
outgoing