四个选项都是形容词.
A 意思为“足够的；合格的；合乎需要的”；
B 意思为“产生预期结果的；有效的”；
C 意思为“效率高的；有能力的”；
D 意思为“足够的；充足的”.
根据语境,选择C.
The new ______ machine is a great help in the production of
5个回答
相关问题
-
The new printing machine ----- last week is of great help to
-
_____, Lucy is of great help in the work. [
-
After a new reform,the number of the products in the factory
-
The o____ of the new machine is hard to learn
-
A number of new machines were _____ in the factory,thus resu
-
PMP ProblemYou are in the middle of a new product developmen
-
英语翻译Development of machines for the production of goods the
-
While the internet is of great help.
-
The new discovery of oil is of great________to the country’s
-
The news is of great importance to us.