Прочитайте, переведите текст. Заполните пропуски соответствующей формой глагола, данного в скобках, в действительном или страдательном залоге:
Oral hygiene (to be) necessary to prevent cavities. This (to consist of) regular professional cleaning (every 6 months), brushing at least twice a day, and daily flossing. X-rays (to take) yearly to detect possible cavities in high risk areas of the mouth.
Chewy, sticky foods (such as dried fruit or candy) (must/eat) as part of a meal rather than as a snack. If possible, brush the teeth or rinse the mouth with water after eating these foods.
Dental sealants (can/prevent) some cavities. Sealants are thin plastic-like coatings which (to apply) to the chewing surfaces of the molars. These coatings (to prevent) the accumulation of plaque in the deep grooves on these vulnerable surfaces. Sealants (to apply) usually on the teeth of children, shortly after the molars erupt. Older people (may/benefit from) the use of tooth sealants.
Fluoride often (to recommend) to protect against dental caries. It (to demonstrate) that people who ingest fluoride in their drinking water or by fluoride supplements (to have) fewer dental caries. Fluoride ingested when the teeth are developing (to incorporate) into the structure of the enamel and (to protect) it against the action of acids.
Topical fluoride also (to recommend) to protect the surface of the teeth. This (may/to include) a fluoride toothpaste or mouthwash. Many dentists (to include) application of topical fluoride solutions (applied to a localized area of the teeth) as part of routine visits.
21
Баллов: 1
The economic
system of a country is usually called the national economy.
Выберите один ответ.
economical
economist
economics
economy
economize
Question 22
Баллов: 1
Germany, Great Britain and France are ___ economically
advanced countries.
Выберите один ответ.
economy
economical
economize
economist
economics
Question 23
Баллов: 1
Who is responsible for dealing with complaints?
Выберите один ответ.
in
for
with
at
Question 24
Баллов: 1
When goods are supplied on credit, the buyer has immediate use of them.
Выберите один ответ.
at
in
on
into
to
with
of
for
Question 25
Баллов: 1
We can exchange two weeks’ labour for a holiday abroad.
Выберите один ответ.
into
with
for
at
in
to
on
of
Question 26
Баллов: 1
Centrally-planned economies are generally associated with Communist governments.
Выберите один ответ.
in
for
of
with
to
at
into
on
Question 27
Баллов: 1
She was the first woman to _ succeedin politics.
Выберите один ответ.
successful
success
Question 28
Баллов: 1
There are a number of reasons for the existence of government involvement in business and industrial activities.
Выберите один ответ.
in, on
for, at
with, of
to, into
for, in
Question 29
Баллов: 1
Average earnings __ for skilled workers are rising.
Выберите один ответ.
earner
earns
Question 30
Баллов: 1
The need to choose is imposed on people by their income and wealth.
Выберите один ответ.
for
on
in
into
to
at
of
with
Question 31
Баллов: 1
Marx and Keynes are two famous economists__.
Выберите один ответ.
economic
economy
economical
economize
economics
Question 32
Баллов: 1
The democratic countries expect their citizens to participate in governing the country.
Выберите один ответ.
in
with
of
on
at
to
for
Question 33
Баллов: 1
I’ve applied for the position of sales manager.
Выберите один ответ.
for
to
about
as
Question 34
Баллов: 1
Australia is the world’s main producer _ of wool.
Выберите один ответ.
production
products
produces
productivity
productive
Question 35
Баллов: 1
People ___ consume natural resources at an alarming rate.
Выберите один ответ.
consumes
consumer
consumption
Question 36
Баллов: 1
As a nation, our ___ consumption _ of junk food is horrifying.
Выберите один ответ.
consumer
consumed
consume
Question 37
Баллов: 1
The process of changing raw materials into finished goods is called __ manufacturing
Выберите один ответ.
manufactures
manufactured
manufacturer
Question 38
Баллов: 1
The covering letter wasn’t attached ___to the CV.
Выберите один ответ.
with
to
by
from
Question 39
Баллов: 1
The price of goods and service depends on its demand and supply.
Выберите один ответ.
for
in
to
of
into
on
at
with
Question 40
Баллов: 1
ProcterAndGamble sells various _ products , including shampoos, batteries and drugs.
26 The direct exchange of goods for goods would raise all sorts of problems.
27 Money allows us to exchange hours of labour for goods and services.
28 These employees were not satisfied with the working conditions.
29 She always looks very professional in her smart suits.
30 The profits are distributed to the members as dividends on their shareholding.
31 The President’s economic reforms have put a lot of people out of work.
32 What makes managers give up their high salary, company car and pension, and risk everything in order to set up on their own?
33 He is solely responsible for the success of the business.
34 Working capital consists of the stocks of raw materials.
35 A lack of competition can lead to inefficiency.
36 The fridge did not work well and was sent back to the manufacturer.
37 Economists study our everyday lives in order to understand the whole economic system.
38 If we don’t economize on electricity, there will be power cuts.
39 People consume natural resources at an alarming rate.
40 This explains the reason for state ownership of public utilities in many countries.