有关慢性缺氧产生的结果,下列哪项正确()
A.心输出量减少
B.静脉回流减少
C.严重贫血
D.血容量增加
E.血粘度降低
参考答案:D
II. Grammar & Vocabulary
Section A
Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentence.
Tom and Jane used to walk _____ the bank after dinner when they were at university.
A. along B. in C. from D. across
食堂做到干净整洁,符合()及环保要求;