皮皮学，免费搜题
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搜题
【判断题】
标准I导联反映的是左上肢和右上肢的电位差。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】What is the author's opinion of geothermal energy?
A.
Geothermal energy has some disadvantages, but it is probably going to be used in the future.
B.
Geothermal energy is a source that should be explored further before large-scale production begins.
C.
Geothermal energy offers an opportunity to supply a significant amount of power in the future.
D.
Geothermal energy should replace water power in the production of electricity for the United States.