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冲刺09年12月六级考试大作战-模拟题2

2009-11-06 00:00:00来源：新东方

1. An adult needs about 12,000kJ of energy a day from ________.
A. the cell
B. the respiring process of carbohydrates
C. fats in the cell
D. a balanced diet
2. Carbohydrates are ultimately absorbed into cells in the process of _______.
A. digestion
B. respiration
C. oxidization
D. mobilization
3. The Essential Amino Acids which build part of proteins can be obtained from______.
A. stomach
B. body tissues
C. the body
D. the diet
4. The ultimate cause of kwashiorkor is lack of ________.
A. protein
B. carbohydrates
C. vitamins
D. diet
5. Vitamins are called “micronutrients” in that _________.
A. excessive fat soluble vitamins can be excreted in the urine
B. the body only requires small amount of vitamins
C. a dose of 3300mg of vitamins can be considered toxic
D. the high concentrations of water soluble vitamins are toxic
6. Night blindness is a disease normally caused by lack of __________.
A. fat soluble vitamins
B. water soluble vitamins
C. vitamin A
D. innate disability
7. The main function of vitamin D is to prevent adults from ________.
A. the growth of strong bones
B. fracture
C. a progressive softening of the bones
D. calcium uptake from the gut
8. Although the human body produces vitamin D normally, it fails to do so if there is not enough ______________.
9. The reason why vitamin C is seen as an antioxidant is that it drives __________ out of the body.
10. If you are in lack of B group vitamins, you should turn to _______________.

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