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【单选题】
若一条传输线路可接受600-1300Hz的频率,则该传输线路的带宽是()。A.
600Hz
B.
1300Hz
C.
1900Hz
D.
700Hz
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举一反三
【简答题】Summary of the second story: The second story is about love and loss. At 20, Steve and Woz started their work in his parents’ _________. And 10 years later, the Apple grew into a business with $2 bill...
【多选题】工程造价的作用包括( )。
A.
项目决策的依据
B.
制定投资计划和控制投资的依据
C.
筹集建设资金的依据
D.
评价投资效果的重要指标
E.
利益合理分配和调节产业结构的手段
【单选题】He is generally considered _________the first computer. [ ]
A.
to have invented
B.
inventing
C.
to invent
D.
having invented
【单选题】When infantile diarrhea and acidosis are basically corrected, but he has sudden convulsions,which causes should be considered first
A.
hypokalemia
B.
hypocalcemia
C.
low blood magnesium
D.
hyponatremia
E.
hypoglycemia
【单选题】He is generally considered _____ the first computer.
A.
to invent
B.
to have invented
C.
having invented
D.
inventing
【单选题】He is generally considered _____ the first computer. [ ]
A.
to invent
B.
inventing
C.
to have invented
D.
having invented
【判断题】Zheng He was considered the first navigator to have traveled around the world in history.
A.
正确
B.
错误
【单选题】关于休克型肺炎的治疗，下列哪项不合适
A.
可用低分子右旋糖酐或平衡盐液
B.
适当应用血管活性药物
C.
输液速度要快，以尽快补足血容量
D.
增加抗生素剂量
E.
酌情应用糖皮质激素
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