皮皮学，免费搜题
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搜题
【单选题】
蔬菜水果中, DDT 的残留量不得超过 ( )mg/kg 。A.
2.0
B.
1.0
C.
0.2
D.
0.1
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皮皮学刷刷变学霸
举一反三
【单选题】The on-line diary blog is a cultural _____, perhaps as essential as usual books we read.
A.
network
B.
phenomenon
C.
competition
D.
occupation
【判断题】The blog is perhaps one of the first forms of new media that the general public became familiar with.
A.
正确
B.
错误