皮皮学，免费搜题
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【单选题】
引起肺动脉栓塞的栓子常来源于（）.A.
肝静脉
B.
下肢浅表静脉
C.
子宫静脉
D.
下肢深部静脉
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In front of the Great Pyramid, Mr Lee stood _____ its great height, and asked many questions.
A.
to gaze up at
B.
to gaze down at
C.
gazing up at
D.
gazing down at
【简答题】阅读诗篇，回答问题： 迢迢牵牛星，皎皎河汉女。纤纤擢素手，札札弄机杼。终日不成章，泣涕零如雨。河汉清且浅，相去复几许？盈盈一水间，脉脉不得语。 （1）“河汉”指什么？ （2）从全诗看，主要运用了何种表现手法？最显著的语言特点是什么？ （3）谈谈这首诗的主旨。
【单选题】It took people as well as time to build the pyramid.
A.
a large number of; a great many
B.
a great many; a large amount of
C.
a great many of; large amounts of
D.
a large amount of; a great deal of
【简答题】谈谈《迢迢牵牛星》的主题。
【单选题】— Do you know the Great Pyramid in Egypt? — Of course. It is ______ building in the world. [ ]
A.
the old and greatest
B.
old and great
C.
the oldest and greatest
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