Because the United States uses more oil than____can produce, it has to import great quantities from other countries.
A: it
B: they
C: both
A: it
B: they
C: both
举一反三
- If country A has a comparative advantage in producing shoes, then________________________.（ ）. A: other countries will never produce shoes if trade is allowed B: it can produce shoes at lower opportunity costs than other countries can C: it has more factors of production used in the production of shoes relative to other countries D: it can produce shoes using more resources than other countries can
- 9. _______ from other countries can’t work in the United States without a permit.
- In terms of leisure time activities, people in the United States ______. A: enjoy a larger variety than people in other countries B: are not much different from people in other countries C: enjoy more stay-at-home activities such as "surfing the net" D: are less energetic and enthusiastic than others
- 8) The United States has large trade deficits with Japan, China, and Mexico; this means that the United States has imported more from them than what they have purchased from us.
- ________from other countries can't work in the United States without a permit. A: Emigrants B: Immigrants C: Migrants D: Civilians