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问题 单项选择题

对于突然出现无其他原因可解释的食欲不振、乏力和肝肿大的女性患者，应立即做的检查是()

A．血清胆红素

B．血清丙氨酸转氨酶

C．血清碱性磷酸酶

D．血清胆碱酯酶

E．血清胆固酶

答案

参考答案：B

单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet.
Open Shortest Path First(OSPF) is a (66) routing algorithm that (67) work done on the OSI IS-IS intradomain routing protocol. This routing, as compared to distance-vector routing, requires (68) processing power. The Dijkstra algorithm is used to calculate (69) OSPF routing table updates only take place when necessary, (70) at regular intervals.

A．but rather

B．rather too

C．rather than

D．rather that
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