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【单选题】
下列属于吡唑酮类非甾体抗炎药的是（ ）。A.
布洛芬
B.
甲芬那酸
C.
吲哚美辛
D.
吡罗昔康
E.
羟布宗
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皮皮学刷刷变学霸
举一反三
【单选题】（ ）是利用半导体接触气体时，其阻值的改变来检测气体的成分或浓度。
A.
非电阻型半导体气敏传感器
B.
体控制型气敏传感器
C.
表面控制型气敏传感器
D.
电阻型半导体气敏传感器
【单选题】Huntington based his conclusions on ______.
A.
records of changes in his own intelligence
B.
work with peoples in different climates
C.
records of temperature changes
D.
all of the above
【单选题】Changes in the net working capital requirements
A.
can affect the cash flows of a project every year of the project's life
B.
only affect the initial cash flows of a project
C.
only affect the cash flow at time zero and the final year of a project
D.
are generally excluded from project analysis due to their irrelevance to the total project
【单选题】Which sentence best describes Jacky's Net life?
A.
He hates the Net.
B.
He will be at a loss when not sitting in front of the computer.
C.
He decides to spend less time on it.
D.
He likes everything on the internet.
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