Australia is the worlds largest exporter of
A. coal.
B. natural gas.
C. uranium.
D. oil.
度量衡是我国古代使用的计量单位，其中“量”是指的哪个方面的标准？()
A. 长度
B. 面积
C. 容量
D. 重量
What can we learn about Asians from the passage？
A. They are more likely to appear drunk after drinking alcohol.
B. They are more likely to become alcoholics.
C. Half of them are allergic to alcohol.
D. Fifty percent of them can"t stand alcohol.
Why are organic vegetables not always safe？
A. Because they contain more chemicals.
Because they can make people less resistant to sunshine.
C. Because some chemicals in them can be potential dangers.
D. Because their genes are modified to some degree.
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