Tiếng anh 2 bài 4

Most pathogens that you swallow are destroyed by chemicals in your saliva or by ____________.

• antigen

• erythropoietin

• stomach acid

• antibody

The medical term expresssing tumour in bone marrow is ___________.

• myelitis

• myeloblast

• myelocele

• myeloma

The House of the Spirits tells the story of three generations of women _______________ lives are changed by their country’s politics.

• who

• which

• whose

• whom

The women’s story, __________ takes place in an unnamed South American country, begins when the granddaughter, Alba Trueba, finds some diaries that her grandmother Clara wrote 50 years earlier.

• who

• which

• whose

• whom

_______________ are the most numerous of the circulating blood cells.

• Red blood cells

• White blood cells

• Platelets

• Lymphocytes

Lymphocytes and monocytes are ________ . they have a round nuleus and do not readily stain.

• phagocytes

• granulocytes

• erythrocytes

• agranulocytes

White blood cells all show prominent _________________ when stained.

• nuclei

• nucleius

• hemoglobin

• antigen

She marries a powerful landowner named Esteban Trueba, ____________ builds her a large house in the country.

• who

• which

• whose

• whom

Children are born with an immune system___________ is composed of cells. Glands, organs, and fluids located throughout the body.

• who

• which

• whose

• whom

Production of red cells in the bone marrow is regulated by the hormone erythropoietin (EPO), which is made in the ____________.

• liver

• bone marrow

• kidneys.

• blood