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【判断题】
(?)低速断火故障的原因可能是电容器工作不良。A.
正确
B.
错误
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举一反三
【单选题】If total spending rises from one year to the next, then
A.
the economy must be producing a larger output of goods and services.
B.
goods and services must be selling at higher prices.
C.
either the economy must be producing a larger output of goods and services, or goods and services must be selling at higher prices, or both.
D.
employment or productivity must be rising.
【单选题】Milk has an inelastic demand, and beef has an elastic demand. Suppose that a mysterious increase in bovine infertility decreases both the population of dairy cows and the population of beef cattle by...
A.
increase, and total consumer spending on beef will increase.
B.
increase, and total consumer spending on beef will decrease.
C.
decrease, and total consumer spending on beef will increase.
D.
decrease, and total consumer spending on beef will decrease.
【单选题】在参加“第三次国际数学和科学”的40个国家中，美国的数学排名是第28位，英格兰的排名是第25位，苏格兰是第29位，东亚最富的4个国家和地区(新加坡、韩国、日本、)在数学方面居前4名，但美国儿童教育经费是韩国的3倍。捷克、斯洛伐克、斯洛文尼亚的成绩明显比经济发达的西方邻国好，尽管他们的教育经费远远低于西方国家。 对以上文字所表达的主要观点，理解准确的一项是( )。
A.
总体来说一个国家儿童教育水平的高低，取决于教育经费的多少
B.
总体来说一个国家儿童教育水平的高低，并不取决于国家花钱多少
C.
国家在教育上的花费，同儿童教育水平的关系，没有人们想象的那么大
D.
国家在教育上的花费，对儿童教育水平的关系，不能说不大
【简答题】She will adapt herself _______ the new enviroment.
【单选题】In the business enviroment, which of the following practice is improper?
A.
Walking into others office without knocking.
B.
If you hear a rumor about someone in the workplace, do not pass it on.
C.
When you are late, contact your colleagues as soon as you realize that you won't make it on time.
D.
When speaking with someone, show you are truly engaged.
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