问题
单项选择题 A型题
关于标准导联的描述，正确的是（）。
A.Ⅰ导联是右下肢电极接正极，左上肢电极接负极
B.Ⅱ导联是左下肢电极接负极，右上肢电极接正极
C.Ⅲ导联是左下肢电极接负极，左上肢电极接正极
D.Ⅰ导联反映的是心电向量从右向左方向的运动情况
E.Ⅲ导联反映的是心电向量从右上向左下方向的运动情况
答案
参考答案：D
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关于标准导联的描述，正确的是（）。
A.Ⅰ导联是右下肢电极接正极，左上肢电极接负极
B.Ⅱ导联是左下肢电极接负极，右上肢电极接正极
C.Ⅲ导联是左下肢电极接负极，左上肢电极接正极
D.Ⅰ导联反映的是心电向量从右向左方向的运动情况
E.Ⅲ导联反映的是心电向量从右上向左下方向的运动情况
参考答案：D
Body language is the quiet，secret and most powerful language of all！It speaks ____than words.According to specialists，our bodies send out more___than we realize.In fact，nonverbal (非言语) communication takes up about 50% of what we really____.And body language is particularly____when we attempt to communicate across cultures.Indeed，what is called body language is so____a part of us that it’s actually often unnoticed.And misunderstandings occur as a result of it.____，different societies treat the____between people differently.Northern Europeans usually do not like having___contact (接触) even with friends，and certainly not with____.People from Latin American countries，____，touch each other quite a lot.Therefore，it’s possible that in____，it may look like a Latino is____a Norwegian all over the room.The Latino，trying to express friendship，will keep moving ____.The Norwegian，very probably seeing this as pushiness，will keep____—which the Latino will in return regard as ____. Clearly，a great deal is going on when people____.And only a part of it is in the words themselves.And when parties are from____cultures，there’s a strong possibility of ____.But whatever the situation，the best____is to obey the Golden Rule：treat others as you would like to be____.
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