问题
单项选择题 B1型题
标准Ⅰ导联连接方法是（）
A.正极夹在左下肢，负极夹在右上肢
B.正极夹在左上肢，负极夹在右上肢
C.一电极夹在左上肢，一为无关电极
D.正极夹在左下肢，负极夹在左上肢
E.一电极夹在右上肢，一为无关电极
答案
参考答案：B
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标准Ⅰ导联连接方法是（）
A.正极夹在左下肢，负极夹在右上肢
B.正极夹在左上肢，负极夹在右上肢
C.一电极夹在左上肢，一为无关电极
D.正极夹在左下肢，负极夹在左上肢
E.一电极夹在右上肢，一为无关电极
参考答案：B
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| Jack 1 in the country and he loves 2 in the river near his house, but his father gets a job in a big city and he moves there 3 his family. Their new house has a garden, but the garden is small. Jack 4 very happy. "Is there a river 5 here?" He is asking his mother 6 the first morning. His mother is answering, "No, there isn't, but there is a beautiful park nearby and there is a pool in it. We 7 there this afternoon." Jack is happy now. After lunch, Jack and his mother go to the park. Jack wants 8 near the pool, but there is a sign in front of it. His mother reads it to him. "Warning (注意), this pool is dangerous, 367 people have fallen into it (已掉入)." Jack looks into the pool 9 and he says, "But I can't 10 them." | ||||
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