The cousins are alike in age, but _____ they are as different as day and night

Mr.Yuan is ________ about making predictions about the success of the farming programme because it is so important.[ ]

This medical team ________ five doctors and ten nurses.

下列各句中没有语病的一句是（ ）

On account of the development of theeconomy, the environment is seriously polluted and we must ________ the emission of the carbon dioxide.[ ]