【名词&注释】
气候变化(climate change)、空白处、营养物质循环(cycle of nutrients)、元素的相互关系(elements correlation)
[单选题]营养物质循环的研究阶段不包括( )
A. 主要元素在系统内的循环
B. 氮、磷的循环周期
C. 元素的相互关系(elements correlation)
D. 元素循环与气候变化、人类活动的关系
查看答案&解析
举一反三：
[单选题]What does the passage tell us about women shoppers for clothes?
A. They welcome suggestions from anyone.
B. They rarely consider buying cheap clothes.
C. They often buy things without giving the matter proper thought.
D. They listen to advice but never take it.
[单选题]Paula: Seems colder today,_________ ?Peter: It is colder. It was on the weather forecast.
A. Paula: Was it? I'm sure it's not normally this cold at this time of year.
B. or is it just me
C. or is it just for me
D. or only I felt it
E. or just I'm feeling it
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