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【单选题】
关于检查灯光的叙述中，下面哪一个是正确的？A.
打开点火开关，检查转向信号灯，把转向信号开关上下拨动，确认右/ 左转向信号灯正确闪烁。
B.
通过拨动灯控制开关一个凹槽，检查并验证倒车灯亮。
C.
关闭点火开关，检查倒车灯，移动换档杆到 到车档，验证倒车灯亮。
D.
通过打开点火开关，检查组合仪表内的故障指示灯(MIL)，验证 MIL 亮起并立刻熄灭。
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举一反三
【简答题】要使沉淀蛋白质不变性,应选择( )法。
【单选题】测量误差可分为系统误差和偶然误差，属于偶然误差的有
A.
由于电表存在零点读数而产生的误差；系统误差
B.
由于多次测量结果的随机性而产生的误差
C.
由于量具没有调整到理想状态，如没有调到垂直而引起的测量误差
D.
由于实验测量公式的近似而产生的误差
【单选题】测量误差可分为系统误差和偶然误差,属于偶然误差的有
A.
由于电表存在零点读数而产生的误差
B.
由于多次测量结果的随机性而产生的误差
C.
由于量具没有调整到理想状态，如没有调到垂直而引起的测量误差
D.
由于实验测量公式的近似而产生的误差
【单选题】测量误差可分为系统误差和偶然误差,属于系统误差的有: ( )
A.
由于多次测量结果的随机性而产生的误差
B.
由于测量对象的自身涨落所引起的误差
C.
由于实验所依据的理论和公式的近似性引起的测量误差
D.
由于实验者在判断和估计读数上的变动性而产生的误差
【单选题】5) With which of the following statements would the writer probably agree?
A.
Not everyone can become a winner.
B.
Winners are always winners and losers are always losers.
C.
Environment is important to making people winners.
D.
Losers often have too many choices in life.
【简答题】D Forests are always losers at the Olympics, and that’s unlikely to change anytime soon. For the winter s in PyeongChang, South Korea, virgin forest was destroyed on Mount Gariwang to accommodate ...
【单选题】According to the author, why do people compare their own life with someone else’s life?
A.
Because people are never satisfied with what they have got.
B.
Because people know their own problems, but don’t always see other people’s problems.
C.
Because some people have a more miserable life than others.
D.
Because there are more losers than winners in this world.
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