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【单选题】
用于分析比较不同身材个体心功能的常用指标是A.
每分输出量
B.
心指数
C.
射血分数
D.
心脏作功量
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反馈参考答案：
举一反三
【单选题】Travelling across the country costs a lot of money, but John can ________ it.
A.
spend
B.
give
C.
build
D.
afford
【单选题】12 2. Travelling across the country costs a lot of money, but John can _____ it.
A.
spend
B.
give
C.
build
D.
afford
【简答题】horizon n. → horizontal a. → horizontally ad. Travelling certainly broadens your _1______ . Draw a ____2____ line across the bottom of the page. The head turns ___3_____ from side to side.
【简答题】The chairman of the Society Club ___ the meeting by repeating the main points discussed. 2. We hope our research will ___ the environment, especially the quality of air in cities. 3. I know you are st...
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