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问题 选择题

下列有关生物丰富度的说法正确的是[ ]

A．丰富度是指单位面积或空间内生物个体数目的多少

B．越靠近热带地区，生物的丰富度一定越高

C．一般来说，某个区域生物丰富度越高，该区域的生态系统抵抗力稳定性越高

D．在探究土壤中小动物丰富度的过程中，要对取样土壤中的各种生物个体逐个计数

答案

答案：C

听力题

单词拼写（共10题，每小题0．5分，满分5分）

小题1:New York is famous for its s______ and Empire State Building is one of its symbols．

小题2:The 2012 Olympic Games held in London was a great event and apart from the queen almost all the members of the r______ family attended the opening ceremony．

小题3:My father always s______ the importance of working hard, which I’m fed up with．

小题4:Glasses are f______ and must be handled with great care．

小题5:Many of Charles Dickens’s novels were o______ published in serial form in magazines．

小题6:How long will the ______（注册）trade-mark remain valid?

小题7:The government has promised stricter ______（管理） of the stock market．

小题8:The sale of ice cream is ______（部分）determined by the weather．

小题9:The ancient buildings are part of the national ______（遗产）and we should preserve them．

小题10: ______ （摩擦力）against the rock, combined with the weight of the climber, caused his rope to break．
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多项选择题

有关钢管外脚手架的搭设高度正确的是（）

A、单排H小于等于25m

B、双排H小于等于60m

C、单排H小于等于35m

D、单排H小于等于50m

E、双排H小于等于25m
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