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【单选题】
T he reasons for imports vary from country to country. Let's explore why a country like the United States, with its massive and extraordinarily diverse economy, would need to import anything from other countries. With a land area spanning several climatic zones, immense natural resources, and a dynamic workforce, the United States is able to produce, mine, or grow almost every item its citizens need to lead reasonably prosperous lives. Yet no country today, including the United States, can be totally self-sufficient without suffering a high cost. All 2.__________ for the following reasons: goods or services that are either essential to economic well-being or highly attractive to consumers but are not available in the domestic market; goods or services that satisfy domestic needs or wants can be produced more inexpensively or efficiently by other countries, and therefore sold at lower prices.A.
countries need to - or choose to import at least some goods and services
B.
different countries have comparative advantages on different products
C.
exports are also more than just an outlet for “ excess ” production
D.
it has the capability of producing the goods or supplying the services
E.
it comes closer to being self-sufficient than most other countries
F.
sell goods or services to other countries at prices higher than the prices
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【简答题】社会学定性研究搜集资料的方法包括( )、( )和( )。
【多选题】下列关于教学评价的表述，正确的是（）
A.
评价方式应该简单易行，避免繁琐
B.
要注意评价内容的价值性，避免使评价流于形式
C.
对评价结果进行处理时，要注意把定量分析和定性分析相结合
D.
注意评价形式的多样性、风格化