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【单选题】
关于下腔静脉正确的是A.
起自髂内静脉
B.
由左、右髂外静脉汇合而成
C.
注入右心房
D.
注入左心房
E.
奇静脉是下腔静脉的属支
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【简答题】(1) Find the expression of t he free-fall acceleration at a location which is h distance above the Earth’s suce. Suppose that radius R E and mass M E of the Earth is known. (2) Using the known radi...
【简答题】阅读理解。 One day a farmer went out for a walk with his daughter. The farmer put on a pair of wrong shoes one with a thick sole (鞋底) and the other with a thin one. So as he began to walk, he ...
【单选题】There are two areas off the N coast of France，which remain dangerous because of ______．
A.
the density of vessel traffic on passage through the strait
B.
the fact that the passage through the strait is constricted by a series of narrow banks，running NE-SW
C.
mines lied in the war of 1939-1945
D.
the strong tidal streams in the strait
【简答题】美国著名的饭店管理专家 _____________ 先生曾形象地比喻:“若将饭店比作车轮,则前厅部是该车轮的轴心。”
【简答题】完形填空。 One day a farmer's donkey fell down into a well. The animal cried 1 for hours as the farmer tried to think out 2 to do. Finally, he decided the animal was 3 , and the well needed to be 4 up anyw...
【单选题】When the density of the water is 1.000, i.e. in fresh water and in summer zone a ship may load up to the upper edge of the line marked ______.
A.
S
B.
T
C.
W
D.
F
【简答题】One day a farmer walking along a road with his son Thomas , the father said, “look! There’s a horseshoe, pick it up and put it in your bag.” Thomas said, “It isn’t worth (值得)the trouble.” His father s...
【单选题】When the density of water is 1000,i.e.in fresh water and in summer zone a ship may load to the upper edge of the line marked（）.
A.
S
B.
T
C.
W
D.
F
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