问题
单项选择题 B1型题
潮气量、补吸气量与补呼气量之和为（）
A.肺活量
B.时间肺活量
C.每分通气量
D.肺总量
E.肺泡通气量
答案
参考答案：A
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潮气量、补吸气量与补呼气量之和为（）
A.肺活量
B.时间肺活量
C.每分通气量
D.肺总量
E.肺泡通气量
参考答案：A
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| John left the United States in 1969 to work in Africa. Africa was hot. When John 1 to the United States in 1979, he said to himself, " It's much 2 here than it was before I left. I'm going to 3 an electric heater (电热器). Besides, everything is much more 4 ." John went to a store the next day to buy an electric heater. The salesman 5 him three or four 6 kinds and then said, " And this is our best electric heater. It 7 a lot, but it 8 half of your electricity (电), and electricity is very expensive now, isn't it?" "Yes, it's very expensive," John answered, " and it's becoming 9 every year." He looked at the electric heater carefully, thought for a few seconds and then said, "Well, I'll take 10 of these, then I'll save all of my electricity." | ||||
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