Question

1)Lymph is constantly ... around the body but the lymphatic system has no central pump equivalent to the heart.
Выберите один ответ.
a. moves
b. moving
c. move
2)The size of the thoracic cavity is constantly ... with the movement of ribs and the diaphragm.
Выберите один ответ.
a. varying
b. vary
3)The walls of the blood vessels ... ... ... in response to a stimulus.
Выберите один ответ.
a. is contracting or expanding
b. are contracting or expanding
c. contracting or expanding
4)Doctor N. ... the patients from 10 till 12 o’clock tomorrow.
Выберите один ответ.
a. examine
b. will examine
c. will be examining
5)While the doctor . . . the child he noticed that his hands and feet were very cold.
Выберите один ответ.
a. was examining
b. examining
c. were examining
6)octors ... for new ways to help patients.
Выберите один ответ.
a. looking
b. looks
c. are looking
7)Technology ... ... fast.
Выберите один ответ.
a. are changing
b. change
c. is changing
8)Scientists ... ... on a number of research projects.
Выберите один ответ.
a. are working
b. was working
c. work

Answer 1

b
a
b
c
a
c
c или b
a или с