Раздел  A    ГРАММАТИКA И ЛЕКСИКАА Прочитай текст. Избери из таблицы варианты правильных

Раздел A ГРАММАТИКA И ЛЕКСИКА

А

Прочитай текст. Выбери из таблицы варианты правильных ответов подходящие обозначенным номерам А1-А6 так, чтоб они грамматически подходили содержанию текста. Обведи выбранный вариант.

Viruses (8) (present) a special challenge to medical treatment. Traditional vaccines (9) (consist) of either the weakened or the heat-killed virus proteins. While such vaccines (10) (be) quite successful against some infections, they fail to cope with others. The problems in traditional immunization (11) (sparkled) interest in new and improved vaccine models. Researches now can insert a gene from a pathogen (возбудитель инфекции) into a piece of DNA. When this (12) (inject) into issues, a protein that (13) (stimulate) an immune response (14) (produce).

A. 1

a) presents

b) are present

c) is present

d) present

с

A. 2

a) is consisting

b) were consist

c) had consist

d) consist

A. 3

a) have been

b) is

c) are

d) were

ад

A. 4

a) sparkled

b) sparkles

c) sparkle

d) have sparkled

ад

A. 5

a) injected

b) injects

c) is injected

d) are injected

б

A. 6

a) stimulated

b) stimulates

c) is stimulating

d) were stimulating

с

A. 7

a) is produced

b) had produced

c) were produced

d) produced

ад