[单选题]( )S1： Why did the oil overflow? S2：The oil overflowed because you didn’t give the signal. Q: What caused the oil overflow?
A.Not closing the valve
B.Not giving the signal
C.Increasing the pumping rate
D.Increasing the pressure

[单选题]( )S1: Why did the oil overflow? S2:The oil overflowed because you didn’t give the signal. Q: What caused the oil overflow?
A.Not closing the valve
B.Not giving the signal
C.Increasing the pumping rate
D.Increasing the pressure

[判断题]空压机润滑油型号SHELL CORENA OIL S2 P100。
A.正确
B.错误

[单选题] 两台符合并列条件的变压器T1、T2,其容量分别为S1、S2。已知S1>S2,并列后,当负载逐渐上升时,( )。
A. T1先满载
B. T2先满载
C. T1、T1都满载
D. 无法判断

[简答题]利用地化参数评价油层时，S1/S2的值大就是油层，S1/S2的值小就是水层。

[简答题]地化录井中M亮点的意义为：M=B×P，其中B=(S0+S1)/S2，P= S0+S1+ S2。

[单选题]设S1、S2分别为被保护设备及某避雷器的伏秒特性曲线,要使设备受到可靠保护必须S2（）S1。
A.低于
B.高于
C.等于
D.不高于

[单选题]S1：Shall we begin now? S2：OK. S1：First, let me check the Bill of Health? S2：Of course, here you are. S1：As I know, there was epidemic in your last port of call. Were you all inoculated against it? S2：Yes, we were. Here are the inoculation papers. S1：Good. Are there any patients on board at present? S2：No. All of us are in good health. S1：All right. Have you set rat guards and traps on the moorings? S2：Yes, we have when the ship is alongside. 问题 1：What’s the probable relationship between the two speakers?( )
A. A customs officer and a captain.
B. An immigration officer and a captain.
C. A pilot and a captain.
D. Aquarantine officer and a captain.

[简答题]如图所示，已知电动势E=8.V，内阻r0=1Ω，电阻r1=r2=r3=2Ω。S1、S2、S3同时接通时，输出电压U=______V。
教师详解：

[单选题]八选一数据选择器当选择码S2,S1,S0为1,1,0时()。
A.选择数据从Y3输出
B.选择数据从I3输出
C.选择数据从Y6输出
D.选择数据从I6输出

[单选题]( )S1：OK. What about meat? S2： Let' s see? enough for 30 days of 20 men' s consumption onboard So that' s 50 kIlos of frozen chicken and 100 kilos of fish. Q：How many crewmembers are there onboard?
A.20
B.30
C.50
D.100

[单选题]( )S1： What’s the matter with you? S2：I’ve got a headache and a sore throat. Sometimes I feel cold.Q： Which is not mentioned in the conversation?
A.A headache
B.A cough
C.A sore throat
D.A cold

[单选题]S1：Hi, Chief, it’s your good time now. S2：Really miss you.Have you completed your
Adjustment to night vision? S1：I can catch you without any difficulty. S2：OK. Now the
Ship is approaching Gibraltar Strait, and will enter traffic separation scheme soon. S1： What is the heading and speed? S2：Heading sets 080 [zero eight zero] degrees, speed over ground 18 knots, check up gyro and standard compass, +2 degrees in difference. S1：Good, the ship is in her own way. S2：The wind is soft and visibility is not so good. Sometimes mist appears. S1：Understood. S2：Port radar is working at 12 miles scale. There is a lot of traffic nearby. S1：Let me have a look.How about the port bow vessel, 7 miles away? S2： She is a head-on vessel, no conflict with us till now. S1：I see. S2：Navigational lights work well and all navigational and safety equipment are in good condition. S1：Alright. Have any special instructions? S2：That ‘s all. If there is any question，please call the captain immediately. 1： Who is the relieving officer?
A. Captain.
B.The Chief Officer.
C. The Third Officer.
D. The Second Officer.

[单选题]创建两个集合s1 = set('abc'); s2 = set('bcd'),那么s1 | s2的结果是:( )
A.{'b', 'c'}
B.{'bc'}
C.{'a', 'b', 'c', 'd'}
D.{'a'}