с англ II. Grammar training. Revision of the Passive Voice.
Task 5. Put the verb from the brackets into the Passive Voice form.
1) The vessels (divide) into arteries, veins and capillaries? 2) Leucocytes (carry) by the
blood. 3) In future thrombocytes (separate) from fluid plasma faster. 4) The blood (pump)
through pulmonary system in a second. 5) Heart (not enveloped) by the septum. 6) The
heart (compose) by chambers. 7) Some centuries ago portal system (not study) by doctors.
8) Atria (separate) from the ventricles by the valves? 9) Blood (not pump) by the
contraction of the valves. 10) The heart structure (describe) in all Anatomy manuals several
centuries ago. 11) The blood corpuscles first (see) with a microscope many years ago. 12)
The heart function (study) by scientists to find the cures for its disturbances.
Task 6. Change the Voice of the sentences.
1) The students passed a test yesterday. 2) A doctor will examine the patient tomorrow. 3)
Fluid and cellular parts compose the blood. 4) Plasma makes the fluid part of the blood. 5)
A laboratory technician centrifuged the blood sample an hour ago. 6) WBCs and platelets
compose a white band of the centrifuged blood. 7) RBCs render the red color. 8) WBCs
make 1% of the total blood volume. 9) Platelets will promote blood coagulation. 10)
Dissolved proteins, mineral ions, glucose, clotting factors and carbon dioxide compose
blood plasma. 11) The blood carries nutrients. 12) The blood will remove waste products
from the body.
