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【多选题】
向中间商的促销方式是( )。A.
价格折扣
B.
资助
C.
样品
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反馈参考答案：
举一反三
【单选题】正常细胞性贫血是因为:
A.
MCV＜80 ； MCH＜26 ； MCHC＜31
B.
MCV＞94；MCH＞32
C.
MGV80-94 ； MCH26-32 ； MCHC31-35
D.
MCV＜80；MCH＜26；MCHC31-35
E.
MCV＜94；MGH＞32
【简答题】The text makes a point that goods will sell well if______. [A] advertisements show the true value of them [B] enough money is spent on advertising [C] advertisements are well designed [D] they are of ...
【简答题】基于 触摸屏 的交通灯监控系统设计 1. 按下启动按钮,东西方向:绿灯亮 20S,闪3S;黄灯亮2S,红灯亮25S ; 南北方向:红灯亮 25S,绿灯亮20S,闪3S;黄灯亮2S;按下停止按钮,交通灯停止运行。 提交项目报告。 要求:( 1)完成IO表分配; (2) 完成原理图绘制; (3) 完成程序流程图绘制; (4) 完成 PLC程序编写; (5) 完成触摸屏控制画面设计。
【单选题】巨幼细胞性贫血是因为:
A.
RDW增加，MCV升高
B.
RDW增加，MCV降低
C.
RDW正常，MCV降低
D.
RDW增加，MCV正常
E.
RDW正常，MCV正常
【单选题】What is the main idea of the passage?
A.
One should control his or her feelings.
B.
It is important to express one’s thoughts and feelings.
C.
Attitude is the key to job success.
D.
Different attitudes bring about different results
【单选题】The text makes a point that goods will sell well if _________.
A.
advertisements show the true value of them
B.
enough money is spent on advertising
C.
advertisements are well designed
D.
they are of high quality
【简答题】基于组态王的交通灯监控系统设计 1. 按下启动按钮,东西方向:绿灯亮 10S,闪3S;黄灯亮2S,红灯亮15S ; 南北方向:红灯亮 15S,绿灯亮10S,闪3S;黄灯亮2S;按下停止按钮,交通灯停止运行。 提交项目报告。 要求:( 1)完成IO表分配; (2) 完成原理图绘制; (3) 完成程序流程图绘制; (4) 完成 PLC程序编写; (5) 完成组态王控制画面设计。
【简答题】采用S7-300PLC进行交通灯控制,控制要求如下: (1)按下启动按钮后,信号灯开始工作, 东西向红灯 、 南北向绿灯 同时亮。 (2) 南北向绿灯亮 25s后,绿灯闪烁3s(1s/次),然后南北向黄灯亮2秒。2秒后,南北向红灯亮,30s后, 南北向绿灯又亮 ......周而复始,不断循环。 (3) 东西方向红灯亮 30s后,东西向绿灯亮,25s后东西向绿灯闪烁3s(1s/次),然后东西向黄灯亮...
【单选题】what is the main idea of the passage?
A.
diet and lifestyle are crucial to good health
B.
good air quality is the key to living a long life
C.
Genetic factors have much to do with good health
D.
climate conditions have little impact on one's life span
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