壮秧的标准有形态特征和生理特性两方面。形态特征包括叶宽苗健、扁蒲白根、生长整齐、适当

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壮秧的标准有形态特征和生理特性两方面。形态特征包括叶宽苗健、扁蒲白根、生长整齐、适当秧龄等,生理特性包括光合能力强、碳氮比(C/N)适中、束缚水含量相对较高、移栽后发根力和()等方面。

考点:作物栽培学作物栽培学综合练习作物栽培学综合练习题库
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在现实生活中,即使供不应求,一辆普通自行车的价格再涨,也不会比一辆汽车的价钱高;即使供过于求,一台液晶电视机的价格再降,也不会比一台普通收音机便宜。这表明[ ]

①供求影响价格

②价值决定价格

③供求决定价格

④使用价值决定价格

A、①②

B、①③

C、②④

D、③④

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文化扩散有哪几种类型?结合实例分析文化扩散的特征。

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事先没有预定的,也不需要意志努力的注意是( )

A.无意注意

B.有意注意

C.有意后注意

D.随意注意

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不同民族、不同国家对龙的形象存在不同的解读,是因为()

 

A.不同民族、不同国家的文化不具有统一性

B.不同民族、不同国家,有不同的自然、社会环境,也有不同的文化环境

C.中华文化优于其他民族文化

D.文化是民族的,文化又是世界的

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Developing countries are usually vulnerable (易受伤的) to cigarette advertising. Until recently, some of them sold tobacco only through government monopolies, with little or no attempt at persuasion. And because most of these countries don’t have effective anti-smoking campaigns, many of their people are surprisingly innocent of the link between tobacco and diseases. In Manila, we even found cigarettes sold at a snack bar operated by the local Boy Scouts. Many governments, moreover, are reluctant to launch anti-smoking wars because they’re addicted to tobacco taxes. Argentina gets 22.5 percent of all its tax revenue from tobacco; Malawi, 16.7 percent.
Into this climate of neglect, American tobacco companies have unleashed (释放) not only the marketing ways that most of us take for granted, but other strategies they wouldn’t dare use m America. Although their marketing budgets are secret, tobacco companies have supported their spending for International advertising, adding substantially to the $ 4 billion allocated yearly for the United States. "It’s crucial for them," says Richard Pollay. "Familiarity in advertising breeds trust.’
Tobacco spokesman insist that cigarette advertising draws only people who already smoke. But an ad executive, who worked until recently on the Philip Morris account, speaking on condition of anonymity(匿名), disagrees. "You don’t have to be a brain surgeon to figure out what’s going on. Just look at the ads. It’s ridiculous for them to deny that a cartoon character like Joe Camel isn’t attractive to kids." Dr. John L. Clowe, president of American Medical Association, says, "It is clear that advertising fosters tobacco use among children. And, despite tobacco-industry denials, ads like Joe Camel are especially appealing to adolescents, equating smoking with athleticism, even success. "Numerous independent studies support this view. Time and again they have shown that cigarette advertising creates an environment in which young people are more likely to smoke. That may explain why the U,S. Centers for Disease Control found that smokers between ages 12 and 19 prefer Marlboro, Newport and Camel three of the most advertised brands.

What can be inferred from the last paragraph

A.Cigarette advertising can create a persuasive environment.

B.Such advertisement poses curiosity among kids.

C.American tobacco ads are misleading the adolescents.

D.American tobacco industry is planting troubles in some developing countries.

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