7. There is no ___________ in trying to

题型:选择题

问题:

7. There is no ___________ in trying to talk him into joining us. He enjoys being alone.

A.doubt

B.wonder

C.hope

D.Point

考点:名词可数名词及其单复数集合名词
题型:选择题

下列是我国水稻主要种植区是(  )

A.华北平原

B.东北平原

C.长江中下游平原

D.宁夏平原

题型:选择题

钛合金管与其他金属管道连接时可采用( )连接。

A.焊环活套法兰

B.翻边活套法兰

C.螺纹

D.焊接法兰

题型:选择题

( )类是所有类的根,它所包含的属性和方法被所有类继承。

A.Class
B.Object
C.String
D.System

题型:选择题

多个电阻并联时,以下特性正确的是()。

A.总电阻为各分电阻的倒数之和

B.总电压与各分电压相等

C.总电流为各分支电流之和

D.总消耗功率为各分电阻的消耗功率之和

题型:选择题

Recycling Paper


The process of recycling paper can help to reduce deforestation and energy consumption on a significant scale. There are many different reasons why we should recycle paper products, and some of these are (26) in the paragraphs below.
Energy consumption will always be on the (27) as population levels grow, and so any manufacturing processes which help to reduce energy consumption are (28)
The Energy Information Administration (EIA) claim that there can be as (29) as a 40% energy saving when recycling paper over producing paper (30) the direct raw material.
Although recycling paper has many (31) , it also has its drawbacks. One of these drawbacks is that we cannot recycle the (32) paper product for eternity, as the fibers contained within the paper degrade over time, (33) their strength and length.
On (34) , an individual paper fiber can only be recycled a (35) of six times. Although this is a significant drawback, the six time recycling process will help to (36) a great deal of energy when you consider (37) much paper there is to be recycled.
If paper fibers can be recycled up to 6 times, and we recycled all paper products, this could help to (38) the intensity of deforestation for paper products up to a factor of 6.
With paper production said to (39) around 40% of harvested wood, and paper said to (40) around 90% wood, you can see how recycling paper is an important process for the (41) of our forests.
Today, the use of recycled paper products is on the increase, as more and more people begin to recycle paper (42) products around the home.
Although there are slight differences in the recycling processes of different (43) of paper products (e.g. corrugated, mixed paper, newspaper products), we are able to recycle just about any type of paper product around today.
The recycling logo helps to (44) a recyclable product and can also sometimes help to identify if the product contains any recycled material, in the form of a percentage. This helps a consumer to identify the (45) of recycling various products.

A. possibilityB. sustainability C. suitabilityD. capability

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