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【多选题】
国家计算机等级考试在每年的几月份举行?A.
1
B.
3
C.
7
D.
9
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反馈参考答案：
举一反三
【单选题】已知 R 1 和 R 2 两个电阻,且 R 2 =3 R 1 ,若串联在电路中,则 R 1 消耗功率与 R 2 消耗功率之比为()。
A.
1:3
B.
1:2
C.
3:1
D.
1:1
【单选题】You pass a co-worker in the hallway and he asks "How are you?". You respond by:
A.
explaining that you are tired and stressed out in your job
B.
telling him that your back has been hurting you and you have a cold
C.
saying "Fine, thanks"
D.
asking “ Where are you going?”
【单选题】R 1 和 R 2 两个电阻并联,已知 R 1 =2R 2 , 且 R 1 上消耗的功率为 1W ,若 R 1 单独接在同一电源上, 则消耗的功率为( )。
A.
2W
B.
1W
C.
4W
D.
0.5W
【单选题】You pass a co-worker in the hallway and he asks "How are you?".You respond by:
A.
Telling him that your back has been hurting you and you have a cold
B.
Saying "Fine, thanks"
C.
Explaining that you are tired and stressed out in your job
D.
asking “ Where are you going?”
【单选题】已知两个电阻R 1 和R 2 ,且R 2 =3 R 1 ,串联接入电路中,如R 1 两端的电压是3伏,则R 2 两端的电压是多少
A.
1伏
B.
9伏
C.
3伏
D.
12伏
【单选题】FX2N系列可编程序控制器1ms定时器的定时范围是( )。
A.
0.01~327.67s
B.
0.001~32. 767s
C.
0.1~3276.7s
D.
0.1~99s
【单选题】You pass a co-worker in the hallway and he asks “How are you?” You respond by:
A.
Telling him that your back has been hurting you and you have a cold.
B.
Saying “Fine, thanks.”
C.
Explaining that you are tired and stressed out in your job
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