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【判断题】
北方人摄入的盐多,所以高血压发病率远高于南方。我国南方人喜爱甜食,高血脂症、糖尿病、龋齿的发病率较高。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following is true of the control process?
A.
It is difficult to take corrective action when reasons for poor performance are identified.
B.
It is always easy to measure outputs and behavior.
C.
It is easy to measure outputs and behavior of complex, nonroutine activities.
D.
Realistic standards reduce the gap between actual performance and desired performance.
【单选题】Which of the following is true of the control process?
A.
Managers can easily take corrective action when reasons for poor performance are identified.
B.
Outputs and behavior can be measured easily always.
C.
It is easy to measure the outputs and behavior of complex, nonroutine activities.
D.
Managers develop performance standards to measure behavior first and then outputs.
【单选题】可引起脑型疟的疟原虫包括
A.
间日疟原虫和恶性疟原虫
B.
恶性疟原虫和三日疟原虫
C.
间日疟原虫和三日疟原虫
D.
三日疟原虫和卵形疟原虫
E.
恶性疟原虫和卵形疟原虫
【单选题】Which of the following is the first step of the control process?
A.
Measuring actual performance
B.
Comparing actual performance against chosen standards
C.
Evaluating the results of comparison
D.
Establishing the standards of performance
【单选题】下列关于传递函数描述正确的是
A.
传递函数即适用于线性系统也适用于非线性系统
B.
传递函数只取决于系统的结构和参数
C.
传递函数不仅取决于系统的结构和参数，还与系统输入信号有关
D.
传递函数时在非零初始条件下定义的
【单选题】引起脑型疟的疟原虫有
A.
三日疟原虫、恶性疟原虫
B.
间日疟原虫、恶性疟原虫
C.
卵形疟原虫、三日疟原虫
D.
间日疟原虫、卵形疟原虫
E.
卵形疟原虫、恶性疟原虫
【简答题】( )的功用是产生交流电
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