Passage Four
Television carries more national advertising than any others in the United States. The same is true in some smaller countries such as Spain and Portugal, where it is the only medium reaching a general national audience. In many countries, Sweden and Denmark, for example--the stateowned television accepts no advertising. In many other countries the amount of commercial time is extremely limited, as in France, Germany, and Italy. Soviet state-owned television began accepting a limited amount of advertising in 1988.
The chief reason for the population of television among United States advertisers is that it it reaches a vast number of people at the same time. While it can cost well over 100,000 dollars, a 30- second commercial on network television can be seen and heard by as many as 25 million viewers. For manufacturers who must make prospects aware of their products and convince them of its benefits immediately, there is nothing as efficient as
A. Portugal
B. Sweden
C. France
D. Italy
| The period of adolescence, i. e., the person
between childhood and adulthood, may be long or short, depending on social
expectations and on society’s definition as to what constitutes maturity and
adulthood. In primitive societies adolescence is frequently a relatively short
period 6f time, while in industrial societies with patterns of prolonged
education coupled with laws against child labor, the period of adolescence is
much longer and may include most of the second decade of one’s life.
Furthermore, the length of the adolescent period and the definition of adulthood
status may change in a given society as social and economic conditions change.
Examples of this type of change are the disappearance of the frontier in the
latter part of the nineteenth century in the United States, and more
universally, the industrialization A. graduations from schools and colleges B. social recognition C. socio-economic status D. certain behavioral changes [多项选择]按照在一定条件下，能否由原发行的股份公司出价赎回为依据，优先股可以分为（）。
A. 不可赎回优先股 B. 可转换优先股 C. 可赎回优先股 D. 不可转换优先股 [多选题]消防员呼救器后场接收装置可以接收呼救器发射出的各种工作状态的无线电信号，包括( )
A.正常工作状态信号 B.预报警工作状态信号 C.报警工作状态信号 D.超温报警工作状态信号 E.低电压报警工作状态信号 [单选题]临时管理规约一般由()在出售物业之前预先制定。
A.全体业主（名师解读：全体业主为管理规约制定的主体） B.业主委员会 C.物业服务企业 D.建设单位 [判断题]消防安全绳是消防员在灭火、抢险救援作业或日常训练中仅用于自救和救人的绳索。( )
A.正确 B.错误 [填空题]DVD视盘机中，A、B、C、D四个光电二极管检得的信号其对角线[（A+C）-（B+D）]作为（）。
[单选题]消防联动控制设备能以手动或自动两种方式完成相应的联动控制功能，能指示手动或自动操作方式的工作状态。在自动方式操作过程中，( )优先。
A.自动操作 B.手动插入操作 C.逻辑控制 D.任何操作均不 我来回答: 提交
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