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【判断题】
如果一家企业同时存在经营杠杆和财务杠杆,则两种杠杆最好保持此消彼长的关系。A.
正确
B.
错误
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【单选题】在基因工程操作中限制性核酸内切酶是不可缺少的工具。下列有关限制性核酸内切酶的叙述错误的是 [ ]
A.
一种限制性核酸内切酶只能识别一种特定的脱氧核苷酸序列
B.
限制性核酸内切酶的活性受温度和pH等因素的影响
C.
限制性核酸内切酶可以从某些原核生物中提取
D.
限制性核酸内切酶也可以识别和切割RNA
【单选题】Sociologists use 'power' to refer to the capacity of people to control or influence the actions of others. Sociologists study power to 【C1】______ not only who exercise it, but also why it's exercised ...
A.
settle
B.
determine
C.
consider
D.
mediate
【简答题】Limit the use of private cars, improve public transport and encourage the use of bicycles to control traffic congestion(拥挤) during the 2008 Olympics, experts from foreign countries advised Beijing on ...
【判断题】Budgeting is the act of preparing a budget, while budgetary control is the use of budgets to control an organization’s activities
A.
正确
B.
错误
【单选题】An internal control system is the policies and procedures managers use to______.
A.
protect assets
B.
ensure reliable accounting
C.
promote efficient operations
D.
urge adherence to company policies
E.
all of the above
【单选题】The secretary can use and control ______ all sorts of the office software.
A.
proficiently
B.
sufficiently
C.
conveniently
D.
potentially
【单选题】Sociologists use 'power' to refer to the capacity of people to control or influence the actions of others. Sociologists study power to 【C1】______ not only who exercise it, but also why it's exercised ...
A.
settle
B.
determine
C.
consider
D.
mediate
【单选题】In the control group, chimpanzees ______.
A.
learned to use poking
B.
learned to use lifting
C.
learned to use neither poking nor lifting
D.
stuck to poking or lilting
【单选题】Parents and teachers should help teenagers control their use of computer games ______be controlled by themselves.
A.
other than
B.
better then
C.
rather than
D.
more than
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