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问题 单项选择题

测定中心静脉压时，测压玻璃管的零点应在

A．胸骨角水平
B．右心房中点水平
C．锁骨中点水平
D．剑突水平
E．右心室中点水平

答案

参考答案：B

解析：中心静脉压指右心房及胸腔内上下腔静脉的压力，故测量时将测压玻璃管的零点与右心房的中点置于同一水平。

填空题

Questions 14-18


·Using the information in the text, complete each sentence 14-18 with an expression from the list below.
·For each sentence (14-18), mark one letter (A-G) on the Answer Sheet.
·Do not mark any letter twice.
  • A. in emergencies
  • B. in the face of competition
  • C. in their own cars
  • D. in different towns
  • E. in the minority
  • F. in the local community
  • G. in the majority


Corner shops cannot make money ______.
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填空题

油品的Ｋ值低，说明它含（）多，Ｋ值高，说明它含（）多。
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