Раздел A ГРАММАТИКA И ЛЕКСИКА
А
Прочитай текст. Выбери из таблицы варианты правильных ответов соответствующие указанным номерам А1-А6 так, чтобы они грамматически соответствовали 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