[单项选择]

Text 2
"Ouch!" you cry as your doctor "stabs" you in a finger or in that sensitive spot on the inside of your elbow opposite your elbow. "Is the sharp, if momentary, pain necessary" You wonder as the doctor takes a sample of your blood. What is she up to anyway What are blood tests for
Your blood is a vital part of your body. It picks up oxygen in your lungs and carries it to your cells, which use the oxygen to produce energy. It carries wastes away from your cells, It carries white blood cells and disease-fighting chemicals called antibodies to places where foreign invaders such as bacteria and viruses are causing infections. The white blood cells gobble up the invaders, and the antibodies knock them out.
Your blood also carries food from your stomach and small intestine to all parts of your body. Clearly, a large loss of blood from an accident or disease can have serious consequences.
So can an imbalance of th
A. only one function
B. two functions
C. three functions
D. four functions

Text 2
"Ouch!" you cry as your doctor "stabs" you in a finger or in that sensitive spot on the inside of your elbow opposite your elbow. "Is the sharp, if momentary, pain necessary" You wonder as the doctor takes a sample of your blood. What is she up to anyway What are blood tests for
Your blood is a vital part of your body. It picks up oxygen in your lungs and carries it to your cells, which use the oxygen to produce energy. It carries wastes away from your cells, It carries white blood cells and disease-fighting chemicals called antibodies to places where foreign invaders such as bacteria and viruses are causing infections. The white blood cells gobble up the invaders, and the antibodies knock them out.
Your blood also carries food from your stomach and small intestine to all parts of your body. Clearly, a large loss of blood from an accident or disease can have serious consequences.
So can an imbalance of th
A. your blood type is not decided by your red cells
B. your blood type is decided by the antigens in your red cells
C. your blood type is decided by the A, B or AB antigens
D. your blood type is decided by the different kind of serum

"Did you buy the TV you wanted"
No, I didn't, but now I wish I （） it.

"If it takes you six hours to read this book, somewhere in the world 2,500 people will have died of starvation or of hunger-related illness by the time you (36) ."
Why are so many (37) Susan George affirms with conviction, and with solid (38) , that it is not because there (39) too many passengers on" Spaceship Earth ", not because (40) bad weather or changing climates, but because of food (41) by the rich. (42) the poor go hungry.
The multinational agribusiness corporations, (43) governments with their food "aid" policies and supposedly neural multilateral development organizations (44) responsibility for their (45) .
They all work in corporation (46) local elites, themselves nurtured and protected by the powerful in the (47) world. The United States (48) the way, leads the pack and is (49) imposing its control over the whole pl
A. yourselves
B. ourselves
C. themselves
D. by them