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【单选题】
人感染高致病性禽流感的检疫期为:A.
7天
B.
14天
C.
21天
D.
28天
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反馈参考答案：
举一反三
【多选题】以下关于信号缺失,应急替代信号正确的说法是()。
A.
如果某个凸轮轴霍尔传感器信号缺失，可以用其他凸轮轴霍尔传感器信号替代
B.
如果过所有凸轮轴霍尔传感器信号缺失，则在检测到曲轴转了360度后，会执行喷油和点火。
C.
如果曲轴霍尔传感器信号缺失，会使用凸轮轴霍尔传感器信号进行替代
D.
如果曲轴、凸轮轴霍尔传感器信号都缺失，会采用水温传感器信号进行替代。
【多选题】分析以下代码,说法正确的是 void loop() { a=Serial.read(); switch(a) { case 'A':Serial.println("apple");delay(1000); case 'B':Serial.println("banana");delay(1000); case 'C':Serial.println("cat");delay(1000); case '...
A.
当通过串口调试器发送字符A时，arduino通过串口仅传送apple字符
B.
当通过串口调试器发送字符B时，arduino通过串口连续传送banana cat desk 字符
C.
当通过串口调试器发送字符C 时，arduino通过串口连续传送cat desk NO 字符
D.
当通过串口调试器发送字符D 时，arduino通过串口连续传送desk NO 字符
【简答题】void loop() { a=Serial.read(); switch(a) { case 'A':Serial.println("apple");delay(1000);break; case 'B':Serial.println("banana");delay(1000);break; case 'C':Serial.println("cat");delay(1000);break; ca...
【单选题】void loop() { a=Serial.read(); switch(a) { case 'A':Serial.println("apple");delay(1000); case 'B':Serial.println("banana");delay(1000); case 'C':Serial.println("cat");delay(1000);break; case 'D':Seria...
A.
apple
B.
apple banana
C.
apple banana cat
D.
apple banana cat desk NO
【单选题】Why did the professional conduct committee delay its hearing of the case under question?
A.
Because the committee said it had been too busy then.
B.
Because the doctor said that he had hurt his back.
C.
Because the doctor was too busy with his NHS to his patients.
D.
Because the committee was different on the doctor's behavior.
【单选题】Why did the professional conduct committee delay its heating of the case under question?
A.
Because the committee said it had been too busy then.
B.
Because the doctor said that he had hurt his back.
C.
Because the doctor was too busy with his NHS to his patients.
D.
Because the committee was different on the doctor's behavior.
【多选题】How to comfort in case that the passenger complains about the delay?
A.
We are sorry about that. Thank you for your understanding and cooperation.
B.
We didn’t expect to delay, either.
C.
You would be informed if we are going to take off.
D.
I understand your feeling.
【单选题】So urgent ______ that the doctor rode away without delay.
A.
the case was
B.
it was the case
C.
the case being
D.
was the ease
【单选题】How to properly say sorry and thanks in case of the delay?
A.
We are sorry to inform you that the flight has been cancelled.
B.
It is pitiful that the goods are sold out.
C.
We apologize for any inconvenience caused and thank you for your patience and understanding.
D.
We are waiting for air traffic control clearance.
【单选题】How to inform the passenger of the delay in case of bad weather? （ ）
A.
Please fasten your seat belt and refrain from smoking.
B.
Our flight will be delayed because of bad weather conditions.
C.
The flight has been cancelled.
D.
We will be taking off soon.
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