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【单选题】
判断是否存在线性系统误差的方法可采用( )。A.
实验对比法
B.
马利科夫判据
C.
阿卑—赫梅特判据
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反馈参考答案：
举一反三
【单选题】When the child saw something fierce and violent on TV, he would ______ under the table and cry.
A.
catch
B.
crawl
C.
creep
D.
mount
【单选题】以下关于 Z 线的描述正确的是
A.
位于 A 带中央，是粗肌丝的附着处
B.
位于 A 带中央，是细肌丝的附着处
C.
位于 I 带中央，是细肌丝的附着处
D.
位于 I 带中央，是粗肌丝的附着处
【单选题】He had his camera ready ________ he saw something that would make a good picture. [ ]
A.
even if
B.
if only
C.
in case
D.
so that
【单选题】(2011·山东)He had his camera ready ________ he saw something that would make a good picture.
A.
even if
B.
if only
C.
in case
D.
so that
【单选题】He had his camera ready ________ he saw something that would make a good picture.
A.
even if
B.
soon after
C.
in case
D.
so that
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