单位体积的液体的重量叫该液体的密度。

题型:判断题

问题:

单位体积的液体的重量叫该液体的密度。

考点:司泵工考试初级司泵工初级司泵工题库
题型:判断题
解方程
1
3
x=3
4
5

10÷x=
2
5
题型:判断题

前缘缝翼一般与后缘襟翼配合使用,其打开关闭的顺序是怎样的?

题型:判断题

张某,7岁,二年级学生,因学习成绩不佳、好下座位走动,好讲小话,在老师要求下由家长带来行智力测验。测验中被试抱怨老师,多动,测得离差智商为67(平均数100,标准差15)。主试人员告诉被试和家长:“请回去告诉老师,IQ67,轻度智力低下。”

针对主试人员的“智力轻度低下”的结论,正确的评论是()。

A.正确,韦氏量表的67分处于智力轻度低下范围

B.不正确,被试得分67分,其得分区间大约是62~72分,故结论是低下与正常之间

C.正确,被试成绩不佳本来就属于智力低下

D.不正确,他没有考虑测验情境对分数的影响

E.以上都不对

题型:判断题

某患者,男,45岁,风湿性二尖瓣狭窄球囊扩张术后,某清晨起床后,突然出现左下肢剧烈疼痛,不能站立行走。

若该患者心功能良好,需要进行治疗,最佳的可以采用哪些方法()。

A.溶栓治疗

B.血管外科手术

C.介入性治疗

D.缓解治疗

E.以上都可以

题型:判断题

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. similar B. same C. different D. new

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