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We all need a healthy environment, but we produce waste every day and it does harm to our environment. Though we are young, we can still do something to help. In fact, even the simplest everyday activities can make a real difference to the environment. Here are some ideas for you to live a green life. Remember these three words: reduce, reuse and recycle. Reduce means “use less”. Don’t waste things. This saves money and reduces pollution and waste going into the environment. Before we buy something new, think if it is really necessary or maybe the old one will be just as good! When we do buy things, choose local products if possible, 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 last a long time. We should take care of them so that 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 again. Recycle means “change things into something else”. Although it takes energy to change something into something else, it’s better than throwing things away or burning them. Find out what can be recycled in your neighbourhood and take part in recycling programmes. We should also buy products made from recycled materials, such as recycled paper, to help save trees. Title: 46 to Live a Green Life We produce waste every day and it is 47 to us. We can do something to help. Ideas Dos Don’ts To 48 Use less * Try to save something. * Don’t buy too many things from foreign 49 . To reuse Use 50 * Use things for as long as possible. * Buy things that last long. * Take care of things or 51 the old things. * Don’t use 52 cups or bags. To recycle Change things into something 53 *Join in recycling programmes. *Buy 54 made from recycled materials. * Don’t 55 things away or burn them.
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举一反三
【单选题】胰岛素受体的结构特点是( )
A.
由α、β亚基构成的二聚体
B.
由2个α亚基和2个β亚基构成
C.
α亚基具有酪氨酸蛋白激酶活性
D.
β亚基与胰岛素结合
E.
α亚基是跨膜蛋白
【单选题】已知 X= +11 1 1111B ,机器字长为 8位,则[X] 补 = 。
A.
1111 1111B
B.
0000 0000B
C.
0111 1111B
D.
1000 0001B
【单选题】线性表进行二分查找法查找,其前提条件是( )。
A.
线性表以顺序方式存储
B.
线性表以链式方式存储
C.
线性表以顺序方式存储,并且按关键字的检索频率排好序
D.
线性表以链式方式存储,并且按关键字的检索频率排好序
【简答题】名词解释: 安全等级;设计状况;设计基准期;设计使用年限;目标可靠指标
【单选题】对线性表进行二分法查找,其前提条件是( )
A.
线性表以链接方式存储,并且按关键码值排好序
B.
线性表以顺序方式存储,并且按关键码值的检索频率排好序
C.
线性表以顺序方式存储,并且按关键码值排好序
D.
线性表以链接方式存储,并且按关键码值的检索频率排好序
【判断题】需求定理说明,一种物品价格上升必定使该物品的需求减少。
A.
正确
B.
错误
【单选题】明星影片公司根据茅盾《春蚕》小说,( )摄制了无声电影故事片《春蚕》。
A.
1 925年
B.
1933年
C.
1936年
D.
1940年
【单选题】在条形码的结构中,位于条形码中间的条、空结构,包含条形码所表达的特定信息的是
A.
终止符
B.
数据符
C.
校验符
D.
静区
【单选题】已知 X= -11 1 1111B ,机器字长为 8位,则[X] 补 = 。
A.
1111 1111B
B.
1000 0000B
C.
1000 0001B
D.
0111 1111B
【单选题】对线性表进行二分法查找,其前提条件是()。
A.
线性表以顺序方式存储,并已按关键码值排好序
B.
线性表以顺序方式存储,并已按关键码值的查找频率排好序
C.
线性表以链接方式存储,并已按关键码值排好序
D.
线性表以链接方式存储,并已按关键码值的查找频率排好序
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