单项选择题

The mouse on display is most significant in that ______.

A．it has an ear in the shape of a human ear
B．it is unusually small and ugly as a star
C．it is the focus of the media at the exhibition
D．it indicates China's progress in biotechnology

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热门试题

单项选择题

In the field of biotechnology China is thought to ______.

A．have been making an utmost effort learning from the West
B．have become a country among the advanced
C．have been able to rival the United States and Europe
D．have launched a biotechnological revolution

单项选择题

The integration of staff for training has led to a good exchange of ideas, greater enthusiasm, and higher staff ______.

A．moral
B．mortal
C．morale
D．mores