缺氧时血液系统的代偿形式
A. 氧离曲线右移
B. 红细胞和血红蛋白增加
C. 血流重新分布
D. 血红蛋白结合的氧量增加
E. 肌红蛋白增加
缺氧时机体的代偿通过
A. 呼吸系统，增通气量
B. 血液系统，增携氧量
C. 循环系统，增组织血流量
D. 组织细胞，减耗氧量
E. 血红蛋白在组织中释氧量增加
Which of the following statements is True about the budget hotel?
A.The budget hotel can provide cheap accommodation for travelers.
B. The budget hotel contains a single bed only.
C. There is no private bathroom in a budget hotel.
D. There is no restaurant in a budget hotel.
Which of the following places is known as a dangerous and tough place to live?
Albany
B. The Bronx
C. Boston
D. New York City
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