题目内容
New findings suggest that brainy card games such as contract bridge (合约桥牌) may temporarily raise production of a key blood cell including in fighting off illness. After 90 minutes of play, bridge players had increased level of immune(免疫) cell, according to research reported last week.
A researcher, Diamond, studies bridge players from a woman’s bridge club. She chose bridge players because the game includes skills stimulating(刺激) a part of the brain called the dorsolateral cortex. Earlier animal research suggests that this part of the brain may play a role in the immune system.
The findings are based on blood samples drawn from 12 women players. Their blood samples showed a rise in levels of white blood cells called T cells after they played bridge for 90 minutes. T cells are produced by the thymus gland(胸腺) and used by the immune system against diseases.
The T cells count jumped significantly in eight of the bridge players, and slightly in the other four.
The findings contribute to the field of neuroimmunology(神经免疫学), whose name reflects the fact that the nervous system and the immune system are not considered separate and isolated systems. What isn’t clear is whether the help to the immune system from an activity like contract bridge is lasting or temporary. It’s also not clear whether the increase in T cells could finally be targeted against special illness.
72．Playing bridge can help one to fight off diseases because it can ____.
A. raise production of a key blood cell
B. make people joyful
C. aid digestion
D. make break-away from the bad habits
73．Diamond chose to study bridge players for the research because _____.
A. the players are good friends of hers
B. she loves playing bridge
C. this game stimulates a part of the brain that has something to do with immune system
D. She is a clever manager, who operates her bridge club well
74．A T cell is _____.
A. a brain cell B. a white blood cell
C. a red blood cell D. a kind of dangerous blood
75．Which of the following is TRUE according to this article?
A. The immune system and the brain system used to considered separated and isolated system.
B. The help to the immune system that is brought about by playing bridge can last for long time.
C. Cortex is a kind of blood cell.
D. The new findings are impossible.
ACBA
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