皮皮学，免费搜题
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【单选题】
生产者用户初次购买某种产品和服务称为()A.
直接重购
B.
修正重购
C.
新购
D.
重购
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Some boys took chemicals like soda and iodoform. powder because ______.
A.
they liked to set up stalls in the market and sell things, like traders
B.
they were too poor to buy things like soap and medicine
C.
they wanted money and could sell such things quickly
D.
they needed things like soap and medicine for sores
【单选题】Some boys took chemicals like soda and iodoform. powder because ______.
A.
they liked to set up stalls in the marked and sell things, like traders
B.
they were too poor to buy things like soap and medicine
C.
they wanted money and could sell such things quickly
D.
they needed things like soap and medicine for sores
【单选题】Food poisoning can be caused by all the following EXCEPT________.
A.
some chemicals
B.
low temperatures
C.
some tiny living things
D.
certain natural materials
【简答题】WSK produces chemicals for use in the agricultural sector, some which are highly toxic in both liquid and gaseous states. They need to be safely stored on site after processing until they are shipped ...
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