下为我国东南地区某地形的素描图。读图,回答下面各小题。如果该地形区不合理的利用土地资

题型:单项选择题 案例分析题

问题:

下为我国东南地区某地形的素描图。读图,回答下面各小题。

如果该地形区不合理的利用土地资源,直接引发的生态环境问题()

A.水土流失

B.土壤盐碱化

C.土地荒漠化

D.生物物种灭绝

考点:高中地理等高线地形图、地形剖面图等高线地形图、地形剖面图题库
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设备的加权投资年限=( )。

A.设备已使用年限×重置成本

B.设备更新重置成本合计

C.设备加权投资成本合计

D.设备加权投资成本合计÷设备更新重置成本合计

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易泛油的是()

A.柏子仁 

B.石膏 

C.淡附片 

D.芒硝 

E.月季花

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在数据仓库建立过程中,对数据进行纠正和预处理的过程称为数据()。

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Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation.

About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiety and fear that could be (26) noticed. Every passenger simply held on for dear life …except one. A (27) was having a good time! With each bump of the (28) , he would let out a giggle (咯咯地笑)of delight. As I observed this, I (29) that he didn’t know he was supposed to be afraid and worried about his (30) . He neither thought about the past nor about the future. Those are what we gown--ups have learned from (31) . He was (32) the ride because he had not yet been taught to fear it. Having understood this, I took a deep breath and (33) back into my seat, pretending I was (34) on a roller coaster. I smiled for the rest of the flight. I even (35) to giggle once or twice, much to the chagrin(随恼) of the man sitting next to me holding the airsickness bag.

27()

A.empty 

B.narrow 

C.secret 

D.open

题型:单项选择题 案例分析题

影响定价的主要因素集中在以下哪三个个方面()

A.产品

B.成本

C.需求

D.竞争

E.环境

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