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问题 名词解释

油气小层综合解释

答案

参考答案：

综合各种地质录井和测井资料，根据岩性、电性、物性和含油特征将钻孔地层剖面划分成若干单层和小层，并对其工业价值或储层流体性质作出定性评价。为选择测试层位提供重要依据。

选择题

正数加负数，和为 [ ]

A．正数

B．负数

C．0

D．都有可能
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完形填空

完形填空（二）（本题共15小题，满分30分）

阅读下面短文，根据文意，将方框内所给的词或短语的适当形式填入相应的空白处，使短文的意思完整。（每个词只能使用一次）（本题共十小题，每小题2分，满分20分）

We all need a healthy environment, but we produce waste every day and it__小题1:__ our environment. Though we are young, we can still do something to help. In fact, even the simplest _小题2:__activities can make a real difference to the environment. Here are some ideas for you.

Reduce means “use less”. Don’t waste things. This __小题3:__money and reduces pollution and waste going into the environment. Before we buy something new, think ___小题4:____it is really necessary—or maybe the old one will be just as good! When we do buy things, choose local products if __小题5:_____ and try not to buy too many things from abroad.

Reuse means “use again”. Use things for as long as possible. When we buy things, make sure that they __小题6:__ a long time. We should look after them__小题7:_ they will last and we should repair them if we can instead of  throwing them away and buying new ones. Don’t use a paper cup or a paper bag. It’s better to use a china cup and a lunch box because you can use them __小题8:__.

Recycle means “change things into something else”. Although it takes ___小题9:_ to change something into something else, it’s better than throwing things away or burning them. Find out what can be recycled in your_小题10:__ and take part in recycling programmes. We should also buy products made from recycled materials, such as recycled paper, to help save trees.
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