单项选择题

According to the author, in factory, vegetable food______.

A．is easy for chickens to digest
B．is insufficient for the needs of poultry
C．is fully utilized in meat and egg production
D．is inefficiently converted into meat and eggs

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热门试题

单项选择题

What the last paragraph tells us is the author's______.

A．detailed analysis of the ways of raising poultry in Bangladesh
B．great appreciation of the development of poultry industry in Bangladesh
C．critical view on the development of the poultry industry in Bangladesh
D．practical suggestion for the improvement of the poultry industry in Bangladesh

单项选择题

The letter seemed ______ by a child.

A．to have written
B．to write
C．to be writing
D．to have been written