举一反三
- Highway transportation is very important in the southeast around the country, and accounts for two thirds of costs. A: 正确 B: 错误
- Two thirds of the country is dry or desert. A: 甜点 B: 沙漠 C: 遗弃
- Two thirds of the population in this small country ____ farmers. A: has B: have C: is D: are
- The old scientist is happy to live a very simple life, though she has given __________ her savings to the Hope Project. A: two thirds of B: two thirds C: two third of D: two third
- 减少了三分之二，下面的英语表述那个正确？ A: increased by two thirds B: decreased by two thirds C: increased to two thirds D: decreased to two thirds
内容
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Private solutions may not be possible due to the costs of negotiating and enforcing these solutions. Such costs are called A: transaction costs. B: corrective costs. C: input costs. D: private costs.
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A firm that shuts down temporarily has to pay A: its variable costs but not its fixed costs. B: its fixed costs but not its variable costs. C: both its variable costs and its fixed costs. D: neither its variable costs nor its fixed costs.
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choose the modes of transportation A: Highway transportation B: Railway transportation C: Water transportation D: Air transportation E: Pipeline transportation
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of the students in our class girls. A: Two third, are B: Two thirds, is C: Two third, is D: Two thirds, are
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________of the Grade________students are girls. A: Two third; Nine B: Two thirds; Nine C: Two thirds; Ninth D: Two third; Ninth