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
Having compared with the other design, I found this one was ______  that one.
#18928
A
more superior to
B
far superior to
C
far superior than
D
more superior than
---What is he like ?  --- He is ____
#20342
A
well
B
healthy
C
healthy and good
D
honest
 — Can Li Ping help me with my English?— I regret to tell you her English is ____ yours.
#18123
A
as good as
B
no better than
C
no more than
D
as much as
_______ more to be pitied than blamed.
#19551
A
Uneducated are
B
Uneducated is
C
The uneducated are
D
The uneducated is