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【简答题】
Choose the best meaning for the following words DON’T JUST THROW IT IN THE BIMN Each of us produces, on average, about 5kg of rubbish every week. T hat is 250kg a yea, and if you live to 75, 195,000kg in a lifetime. I n Britain most of that rubbish is buried in landfills where it will stay for hundreds or even thousands of years. H ere is a list of what is thrown away and how it can be recycled. ● 35% paper and cardboard. P aper, newspapers and card can all be recycled. U sing less paper, such as advertising leaflets and junk mail, would be even better. ● 32% kitchen waste. A lot of this can be composted. T he compost could then be used in the garden or with house-plants. ● 9% metal. T his is mostly tins, which can be put in metal banks and recycled. S ome councils also have can banks for aluminium. ● 8% plastic. S ome plastics can be recycled. S eparating different kinds of plastic is often a difficult and expensive process. ● 5% old clothes. T hese can be given to charity shops or put in clothes banks so they can be reused. ● 11% other B efore you start to feel too bad about these mountains of waste, remember that all the household rubbish is only 3% of the total national UK waste. T he other 97% is from farming, industry and sewage and most of it is buried in the landfill with your rubbish. T hese are the real dangers to the environment and the areas where action is most needed.
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【单选题】为了让某个类的对象能够被序列化,要求这个类必须实现哪个接口?()
A.
Serializable
B.
Comparable
C.
Cloneable
D.
InputStream
【单选题】单向阀作背压阀用时对比一般单向阀而言( )。
A.
额定流量较大
B.
压力变化量较小
C.
开启压力较大
D.
动态压力超调量小
【判断题】毒药被定义为一种“当被吞下去或被吸收时可以导致死亡或伤害的物质”
A.
正确
B.
错误
【单选题】下两叉的同轴孔用以安装 答案:
A.
主销
B.
主动轴
C.
从动轴
D.
卡销
【判断题】毒药被定义为一种“当被吞下去或被吸收时可以导致死亡或伤害的物质”
A.
正确
B.
错误
【简答题】提高墙体保温性能可以选择导热系数()的材料。
【简答题】我们有时把荒岛想象成某种终日阳光普照的天堂。翻译
【简答题】(对象序列化)为了让某对象能够被序列化,要求: ( 1 )类实现( ________________________) 接口; ( 2 )使用( _____________________) 类读取数据; ( 3 )使用( _____________________) 类写入数据。
【判断题】提高墙体保温性能可以选择导热系数小的材料。
A.
正确
B.
错误
【多选题】提高墙体保温性能可采取以下几个措施( )
A.
a.增加墙体厚度
B.
b.合理选择墙体保温构造
C.
c.选用导热系数小的墙体材料
D.
d.采取隔汽措施
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