Identifying the causes of necrosis（Unit 1 Text A）In the text, six causes of necrosis are introduced and explained. Complete the following sentence with the statement about the cause of necrosis.is the cause of necrosis carried out in the anterior horn cells of the spinal cord.

A. Marked impairment of blood supply
B. Toxins
C. Immunological injury
D. Infection of cells

Identifying the causes of necrosis（Unit 1 Text A）In the text, six causes of necrosis are introduced and explained. Complete the following sentence with the statement about the cause of necrosis.is the common and important cause of necrosis.

A. Marked impairment of blood supply
B. Toxins
C. Immunological injury
D. Infection of cells

Identifying the causes of necrosis (Unit 1 Text A)In the text, six causes of necrosis are introduced and explained. Complete the following sentence with the statement about the cause of necrosis.is the possible cause of injury to adjacent tissues in the reaction of antibody and complement with non-cellular antigen.

A. Marked impairment of blood supply
B. Toxins
C. Immunological injury
D. Infection of cells

Spotting the statements (Unit 1 Text C)Do the following statement agree with the information given in the text? ChooseTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on thisIn cases of heart failure or mitral stenosis with atrial dilatation, thrombosis is commonest in the appendices and it is often accentuated by atrial fibrillation.

A. TRUE
B. FALSE
C. NOT GIVEN

Spotting the statements (Unit 1 Text C)Do the following statement agree with the information given in the text? ChooseTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on thisThe patients of atrial fibrillation is very liable to be complicated by red atrial thrombosis.

A. TRUE
B. FALSE
C. NOT GIVEN

Spotting the statements (Unit 1 Text C)Do the following statement agree with the information given in the text? ChooseTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on thisIn rheumatic fever, the valve cusps are damaged, which lead to deposition of platelets and fibrin resulting in the formation of minute pinkish-grey vegetations.

A. TRUE
B. FALSE
C. NOT GIVEN

Spotting the statements (Unit 1 Text C)Do the following statement agree with the information given in the text? ChooseTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on thisThe thrombi in human body can be divided into three types: cardiac thrombosis, arterial thrombosis and venous thrombosis.

A. TRUE
B. FALSE
C. NOT GIVEN

Spotting the statements (Unit 1 Text C)Do the following statement agree with the information given in the text? ChooseTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on thisGenerally speaking, atheroma is by far the commonest damage which may lead to thrombosis in aorta.

A. TRUE
B. FALSE
C. NOT GIVEN

Spotting the statements (Unit 1 Text C)Do the following statement agree with the information given in the text? ChooseTRUE if the statement agrees with the informationFALSE if the statement contradicts the informationNOT GIVEN if there is no information on thisThe thrombosis of the veins of the lower limbs is most common in bedridden patients, and it will lead to fatal pulmonary embolism.

A. TRUE
B. FALSE
C. NOT GIVEN

Identifying the ways of developing paragraphs（Unit 1 Text B）In the text the author uses different ways to develop paragraphs. Match these effective ways of developing paragraphs with the numbers of different paragraphs.