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【单选题】
下列关于螯合物的叙述中,不正确的是 ( )
A.
有两个以上配位原子的配体均生成螯合物
B.
螯合物通常比具有相同配位原子的非螯合配合物稳定得多
C.
形成螯环的数目越大,螯合物的稳定性不一定越好
D.
起螯合作用的配体一般为多齿配体,称螯合剂
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举一反三
【单选题】思维导图的特点是
A.
可视化
B.
放射性思维
C.
对人脑的模拟
D.
以上都是
【多选题】思维导图的特点( )。
A.
可视化
B.
放射性思维
C.
对人脑的模拟
【多选题】思维导图的特点有
A.
注意的焦点清晰地集中在中央图形上
B.
主题的主干作为分支从中央向四周放射
C.
分支由一个关键的图形或者写在产生联想的线条上面的关键词构成
D.
各分支形成一个连接的节点结构
【单选题】The primary difference between revenues and gains is:
A.
Gains are increases in net assets from peripheral activities while revenues are increases from ongoing activities.
B.
Revenues increase operating income and gains have no impact on net income
C.
Revenues cause increases in net assets as a result of peripheral activities and gains cause increases through ongoing activities.
D.
Gains result in an increase in operating income whereas revenues do not impact operating income.
【单选题】A city councilman has proposed a controversial new plan to increase city revenues from the parking places downtown. He has proposed that instead of charging $1.20 per hour for parking in these spots, ...
A.
A system that promotes parking fines will anger citizens, and they will consequently vote the councilman out of office if the plan goes through.
B.
The city owns only 14 parking spots in the downtown area.
C.
The costs of assessing and collecting the parking fines will surpass the revenues likely to be collected from the new plan.
D.
Ray's parking garage, the only competition for the city-owned parking places downtown, charges $18 per day for its parking places.
E.
It has been observed that on an average day, approximately three different cars park in each of the city-owned parking spots downtown.
【判断题】If business goes well, the cost of operation exceed the revenues from sales and the company realizes a profit.()
A.
正确
B.
错误
【单选题】Revenues from oil are the biggest single ______ in the country's income.
A.
company
B.
companion
C.
component
D.
compound
【单选题】It may be inferred from the passage that______.
A.
many of the opponents of seat belt installation are parents and federal officials
B.
proposals of seat belts on school buses would be seriously considered
C.
the idea of raising seat backs four inches will be taken into consideration
D.
the government will carry out the idea of installing seat belts on all school buses
【简答题】For some students, what could these part-time jobs lead to?
【单选题】While newspaper offices and TV stations gain revenues from advertising,readers and viewer______.
A.
can do nothing about it
B.
blame it on advertisers
C.
gain benefits from it
D.
suffer a loss from paying for it
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