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患者，女，68岁，主因"反复咳嗽、咳痰30年，活动后喘憋5年，加重伴肢水肿1"入院。查体：口唇和甲床紫绀，颈静脉充盈，肺可闻及细湿啰音，心率110次／分，律不齐，P进，胸骨左缘第五肋间可闻及收缩期杂音，肝右肋下3指，肢浮肿。提示：此患者考虑诊断为慢性肺源性心脏病急性加重期，做相关检查辅助诊断提问：心电图检查能作为诊断肺心病的主要依据的是（）A.
电轴右偏、颌面平均电轴≥+90°
B.
重度顺转位
C.
肺性P波
D.
右传导阻滞
E.
V呈R／S>1
F.
R+S≥1.05m~G.R+S≥1.05mV
G.
肢体导联低电压
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【单选题】. ______ the ancient Egyptians built the pyramids puzzled people for centuries.
A.
Whether
B.
What
C.
How
D.
Where
【单选题】New tombs found in Giza support the view that the Great Pyramids were built by free workers and not slaves, ______ widely believed,
A.
as
B.
which
C.
what
D.
that
【简答题】回答{TSE}题： Who Built Giza’s Pyramids(金字塔)? 1 For centuries，the pyramids of Giza have been timeless symbolsof Egyptian culture．But who actually built them?Foryears，we did not know for sure．Butarcheologi...
【简答题】The pyramids were built by Egyptians under the orders of the Egyptian leader,whose title was Pharaoh.Pharaoh Cheops built the biggest thing ever built,the Great Pyramid,also known as Khufu.Cheops buil...
【单选题】The pyramids were built ______.
A.
before the Egyptians developed a sophisticated technology
B.
after the Egyptians developed a sophisticated technology
C.
to house the tombs of all ancient Egyptian kings and nobles
D.
to keep mummies safe forever
【简答题】The pyramids of Giza were built__________．
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