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【单选题】
用钢尺丈量 AB 、 CD 两线段, AB 往返较差为 0.02m ,平均值为 125.365m ; CD 往返较差为 0.04m ,平均值为 210.457 ,下面阐述正确的是( )A.
AB 丈量精度比 CD 丈量精度低
B.
AB 丈量精度与 CD 丈量精度相等
C.
AB 丈量精度比 CD 丈量精度高
D.
无法判定哪段距离丈量精度好
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皮皮学刷刷变学霸
举一反三
【单选题】------They don’t have much in their house yet. ------ they’re planning to live here only until their daughter goes to college, they don’t want to buy much furniture.
A.
While
B.
Although
C.
Since
D.
As far as
【简答题】大鼠、小鼠的肠道能自行合成 ( ) ,因而在饲料中对其不作特殊要求。
【简答题】典型相关分析的基本思想是:分别构造两组变量的 组合,使得这两个线性组合之间的相关性能够最好地刻画两组变量之间的相关性。
【单选题】某男，10岁，有哮喘病史7年，平时易感冒，现无喘咳，但见面色苍白，气短懒言，倦怠乏力，易出汗，纳呆，舌淡红，苔薄白，脉细无力。
A.
玉屏风散
B.
金匮肾气丸
C.
六君子汤
D.
二陈汤
E.
参苓白术散
【单选题】People who affect the efficiency of the team are：
A.
all the staff．
B.
just the skilled ones．
C.
the managers．
【单选题】The Canfield newspaper gave a report just the opposite to the Beldon Post by saying that______．
A.
the bedroom lamps were very old at the Seabreeze Hotel
B.
the bedroom lights made funny noise when the fire took place
C.
the firemen failed to save clothing, bedclothes and other things
D.
such accidents never happened in Canfield for the past 5 years
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