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【多选题】
砼搅拌机配电设施应安装( )装置。A.
保险丝
B.
接零装置
C.
接地装置
D.
防护箱
E.
无
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举一反三
【简答题】0503B04、某测温系统由四个环节组成,各自灵敏度如下: 铂电阻温度传感器 S1: 0.5Ω/°C; 电桥S2: 0.01V/Ω 放大器S3: 100(放大倍数) 笔式记录仪S4: 0.1cm/V 求:(1)测温系统的总灵敏度; (2)记录仪笔尖位移5cm时,所对应的温度变化值。
【单选题】—My father is ill in hospital, I’m looking after him. —___________.
A.
Not at all
B.
I’m afraid
C.
I’m sorry to hear that
D.
It doesn’t matter
【简答题】0503B01 、某测温系统由四个环节组成,各自灵敏度如下: 铂电阻温度传感器 S1 : 0.35Ω/ °C ; 电桥 S2 : 0.01V/Ω 放大器 S3 : 100 (放大倍数) 笔式记录仪 S4 : 0.1cm/V 求:( 1 )测温系统的总灵敏度; ( 2 )记录仪笔尖位移 4cm 时,所对应的温度变化值。
【简答题】中枢淋巴器官与周围淋巴器官的有何区别？
【单选题】听力原文：M: Good morning, Dr Ellis' Office. W: This is Mrs Jackson. May I speak to the doctor? M: Mrs Jaekson. Dr Ellis here. How's that new tooth? W: Not so good, doctor. That's what I'm calling about. I...
A.
She had a bad tooth taken out.
B.
She had her new tooth examined.
C.
She had a false tooth filled in.
【单选题】-------Oh,the soup is very salty. ------I`m sorry I _______too much salt in it
A.
could have put
B.
may haveput
C.
should have put
D.
must have put
【单选题】Client: Hello. May I speak to Mr. Black? Secretary:_______
A.
Speaking, please
B.
I ’m sorry. He ’s at a meeting right now.
C.
Hello. Who ’re you, please?
D.
Hello. Thank you for calling.
【简答题】0503B02 、某测温系统由四个环节组成,各自灵敏度如下: 铂电阻温度传感器 S1 : 0.5Ω/ °C ; 电桥 S2 : 0.02V/Ω 放大器 S3 : 100 (放大倍数) 笔式记录仪 S4 : 0.2cm/V 求:( 1 )测温系统的总灵敏度; ( 2 )记录仪笔尖位移 4cm 时,所对应的温度变化值。
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