因人工或机械等因素在农产品中混入杂质或农产品因辐照导致放射性污染等,属于污染。
A.化学性
B.生物性
C.物理性
D.人工性
参考答案:C
解析:本题考查农产品质量不安全的主要来源。
Dear Mr.Brown,
I am sorry to t__小题1:_ you my mother is ill.She c_小题2:day and night .She does not l_小题3:_down and have a rest .My father is not in .He w_小题4:_to Beijing last week. My mother can not look after h _小题5:. The doctor gives her some ___小题6:( 建议).she should stay in bed and _小题7:_(服用) some medicine .So I have to take c_小题8:_of her._ 小题9:_ (可以)I ask for a day’s leave?
Thank you.
Yours s__小题10:___,
Tom
私人劳动和社会劳动形成的条件是()
A.技术进步和生产资料公有制
B.技术进步和生产资料私有制
C.社会分工和生产资料公有制
D.社会分工和生产资料私有制