能使我国宪法修改生效的表决通过人数为( )。 A．全国人民代表大会全体代表过半数

陆地生活的动物对环境的适应，主要表现在以下四个方面：

（1）一般都有防止_________的结构。如昆虫具有外骨骼。

（2）一般具有支持躯体和运动的器官，以便于________和_________。

（3）一般具有能在空气中_______的器官，比如_______和______。

（4）具有发达的________器官和________系统，能够对多变的环境及时做出反应。

GB 1103-2007规定，棉花品级实物基本标准分为（）。

A、副本

B、仿制本

C、保存本

D、校准本

康复医学的定义是

A．是神经内外科的延续，使用药物和手术进一步治愈疾病的方法

B．是只使用各种功能训练技术促使功能康复的一个独立的学科

C．使用医学领域内一切治疗方法，包括康复医学所特有的各种功能训练技术等医疗手段促进康复的学科

D．使用医学领域内不包括药物治疗的一切治疗方法，包括康复医学所特有的各种功能训练技术等医疗手段促进康复的学科

E．使用医学领域内不包括手术治疗的一切治疗方法，包括康复医学所特有的各种功能训练技术等医疗手段促进康复的学科

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. maximum B. deal C. number D. scale

哪些单位可经营农药？