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【单选题】
分析测量中系统误差和随机误差的综合量度称为:A.
精密度
B.
正确度
C.
准确度
D.
灵敏度
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反馈参考答案：
举一反三
【简答题】只有两台计算机处于同一个 的,才可以进行直接通讯。
【简答题】电喷燃油系统一般由（）、（）、控制系统和点火系统四大部分组成。
【单选题】普萘洛尔降压机制不包括
A.
减少肾素分泌,抑制肾素-血管紧张素醛固酮系统
B.
减少去甲肾上腺素释放
C.
抑制钙离子内流,松弛血管平滑肌
D.
减少心输出量
E.
阻断中枢β受体,使兴奋性减弱
【单选题】听力原文：W: I tried to catch the bus but still couldn't make it. Did the boss say anything about my not being here at nine? M: Well, he looked angry. He said if he were you, he'd make a habit of being on ...
A.
The woman's boss didn't know she was late for work.
B.
The woman's boss asked why she wasn't there on time.
C.
The woman's boss doesn't have a habit of being on time.
D.
The woman's boss wants her to keep a habit of being punctual.
【简答题】短语辨析。 从方框里选择正确的短语，并用其正确的形式填空。 on the whole, put up with, so long as, keep on, even if, quantities of, be supposed to, result in, and so on, on behalf of 1. The police found _____ drugs at his home. 2....
【简答题】电喷燃油系统一般由 、 、 、 四大部分组成。
【简答题】电喷燃油系统一般由（）、（）、控制系统、（）四大部分组成。
【单选题】Plants still give us our oxygen. If every plant(51), you'll die too. Without plants, you can' t breathe. But you also need energy. You need it to breathe and to move. In fact, you need (52)to live. So...
A.
disappears
B.
dies
C.
lives
D.
faded
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