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.
#18985
A
original
B
alternative
C
convenient
D
staple
推荐题目
(2009陕西宝鸡质检)People eat vegetables per person today as they did ten years ago.
#20833
A
as twice many
B
as twice as many
C
twice as many as
D
twice as many
As it is known to all,________ attention you pay to your spelling,________ mistakes you might make.
#19450
A
the less; the less
B
the less; the fewer
C
the less; the more
D
the more; the more
___________lessons were not difficult.
#20783
A
Our few first short English
B
Our first few short English
C
Our few first English short
D
Few our first English short
Published in 1974，the book was a(n) ________ success and was soon translated into thirteen foreign languages.
#17872
A
constant
B
instant
C
unique
D
accurate