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【判断题】
对同一样本资料来说,总体均数的置信区间宽度通常会小于医学参考值范围的宽度。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】WACS can reduce the whale collisions by ______.
A.
warning whales to get away from passing ships
B.
attacking ambient noise imaging tags onto the whales
C.
directing passing ships to turn away from the whales
D.
teaching the whales to send signals to the passing ships
【单选题】What he said made me _____ at once. [ ]
A.
get away
B.
to get away
C.
getting away
D.
be got away
【单选题】Why did Twain go to West?
A.
To prospect for silver and gold.
B.
To get away from the war and the army.
C.
Because of the outbreak of the Civil War.
D.
To travel.
【单选题】执行完下列代码段之后： bool x=true, y=false, z=false; x=x&&y‖z; y=x‖y&&z; z=!(x!=y)‖(y-z); 则x=false, y=false, Z=( )。
A.
true
B.
false
C.
不确定
D.
异常
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