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【简答题】
（6分）根据下列三组实验回答问题。 （1）图中仪器a的名称是 ；三组实验到的玻璃仪器是 。 （2）指出甲实验中不正确的操作 。 （3）乙实验中，燃烧匙中装入的药品应为 ，其反应的实验现象是 。 （4）丙实验中，正确的操作顺序为（填序号）：⑤→ → → → ②。
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举一反三
【单选题】The Chairman recently blamed the group's poor performance on
A.
lack of customer consultation.
B.
the country's economic situation.
C.
continuing internal problems.
【单选题】Which demographic do managers pay closest attention to with respect to large-scale trends in the business world?
A.
age
B.
sex
C.
employment status
D.
geographic location
【简答题】音的四种物理属性: 、 、 、 。
【简答题】乐音的四种物理属性是 、 、 、 。
【单选题】Current demographic trends, such as the fall in the birth rate, should favor ______ economic growth in the long run.
A.
slow
B.
quickened
C.
speeded
D.
accelerated
【判断题】To perform an external audit, a company first must gather competitive intelligence and information about social, cultural, demographic, environmental, economic, political, legal, governmental, and tec...
A.
正确
B.
错误
【单选题】Money demand behavior may
A.
change as a result of demographic trends or financial innovations such as electronic cash-transfer facilities.
B.
change only as a result of demographic trends.
C.
change only as a result of financial innovations such as electronic cash-transfer facilities.
D.
not change as a result of demographic trends or financial innovations such as electronic cash-transfer facilities.
E.
change as a result of demographic trends but not as a result of financial innovations such as electronic cash-transfer facilities.
【单选题】Which of the following demographic trends is the most likely cause for a rapid increase in telecommuting?
A.
the migration toward micropolitan and suburban areas
B.
the migration from rural to metropolitan areas
C.
the increasing number of traditional households
D.
the growing percentage of married couples who do not have children
【单选题】Which of the following is considered to be a part of the marketing microenvironment of a firm?
A.
the political state of the country
B.
the cultural forces that exist in a society
C.
the suppliers of the company
D.
the different demographic trends in the market
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