单项选择题

Questions 6 to 10 are based on the following news.

A．It is a serious endemic disease in some areas of northwest China.
B．It may lead to breast and prostate cancer.
C．It benefits 144,000 newborn babies and women of child-bearing age in eight counties and cities in some areas of China.
D．It is regarded by scientists as the most common cause of preventable mental retardation and brain damage.

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热门试题

单项选择题In the fourth paragraph, which adjective(s) can be best applied to the local man for his behavior

A．Funny.
B．Cunning.
C．Cruel and mean
D．Resourceful and creative.

单项选择题A．Grind them to powder.B．Freeze or can them.C．Heat and cool them.D．Dry and put them in the freezer.

A．Grind them to powder.
B．Freeze or can them.
C．Heat and cool them.
D．Dry and put them in the freezer.

Questions 6 to 10 are based on the following news. 您的浏览器不支持 audio 元素。

Questions 6 to 10 are based on the following news.