с тестом

my colleagues economics.
выберите один ответ:
a. is interested at
b. are interested in
c. has interest in
d. interest

my ceo really annoys me because she me to work at the weekends.
выберите один ответ:
a. asks
b. asked
c. has asked
d. is always asking

thanks for your .
выберите один ответ:
a. encouraged
b. encouragement
c. encourage
d. encouraging

scientific articles in this magazine.
выберите один ответ:
a. published
b. are often published
c. was often published
d. is often published

nominal reflects both prices of goods and services and quantities of goods and services an economy is producing.
выберите один ответ:
a. gdp
b. pc
c. ip
d. ceo

barriers to entry are economic or technical factors that make it difficult or impossible for firms to enter a market or existing suppliers.
выберите один ответ:
a. buy
b. compete with
c. compete to
d. supply

a is the situation in which there is only one buyer.
выберите один ответ:
a. competition
b. monopoly
c. monopsony
d. oligopoly

how many contracts a year .
выберите один ответ:
a. did you signed
b. are you signing
c. has you signed
d. do you sign

unless you finish, you’ll be .
выберите один ответ:
a. in trouble
b. confident
c. fine
d. happy

food can be produced large or small number of workers.
выберите один ответ:
a. in
b. to
c. at
d. by

perfect competition exists when products are homogeneous, and there are a great many firms too small to have any influence on the market price, and firms easily enter and exit the industry.
выберите один ответ:
a. can
b. are
c. have
d. can’t

an economic system to a political system.
выберите один ответ:
a. tired
b. have tired
c. isn’t tired
d. is closely tied

all major economies are in the sense that some decisions are made by individuals and some are made by governments.
выберите один ответ:
a. free economies
b. mixed economies
c. market economies
d. command economies

this is the first time i at science conference.
выберите один ответ:
a. have taken part
b. have looked at
c. took part
d. did

the development will consist of 60 a number of offices and commercial premises.
выберите один ответ:
a. homes
b. premises
c. dwellings
d. houses

are factors which cause the average cost of producing something to fall as output increases.
выберите один ответ:
a. economics
b. economy of the country
c. economies of scale
d. economies of output

the contract before the director comes to the office.
выберите один ответ:
a. will be typed
b. have been typing
c. is typed
d. was typed

nominal gdp is a value of all final goods based on existing during the time period of production.
выберите один ответ:
a. prices
b. demand
c. consumers
d. supply

the company chairman last week.
выберите один ответ:
a. have sack
b. was sacked
c. sacked
d. sack

a cartel is a group of producers or sellers who fix prices and quantities in order to avoid competition and increase profits. this is in many countries, most notably in the us
выберите один ответ:
a. common
b. illegal
c. legal
d. usually
e. {

an economic system works via the of three invisible forces.
выберите один ответ:
a. interference
b. intersection
c. interaction
d. communication

the problem which (to discuss) now at the conference is very important.
выберите один ответ:
a. discuss
b. was discussed
c. has been discussing
d. is being discussed

a is an industry in which the efficient existence of more than one producer is impossible; examples include public utilities such as water, gas and electricity, where it would be inefficient to have several competing companies laying their own networks of pipes or cables.
выберите один ответ:
a. monopsony
b. natural monopoly
c. competition
d. oligopoly

the committee discuss this question immediately.
выберите один ответ:
a. must be
b. has to
c. was
d. can

an oligopoly is a concentrated market dominated by a few large suppliers. this is very frequent in manufacturing because of economies of scale and the cost barriers of entering an industry.
выберите один ответ:
a. many large
b. much large
c. a few large
d. a little large

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