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【单选题】
当液化气罐内的气量不足时,应采取( )方法。A.
放在热水中加热
B.
换气
C.
把气罐横放
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反馈参考答案：
举一反三
【单选题】下面哪两个IP地址是属于同一个网段的?( )
A.
10.123.224.250/19 和10.123.240.245/19
B.
10.123.192.128/24 和10.123.193.128/24
C.
10.123.224.161/27 和10.123.224.225/27
D.
10.123.240.222/27 和10.123.240.225/27
【单选题】听力原文：W: Art Department, the treasurer Brown speaking. M: Hello, Professor Brown, my name is Frank Meloy. I'm thinking of taking your course in painting, and I'm calling to find out more about it. W: H...
A.
The location of an art school.
B.
Information about a course.'
C.
The differences between two paintings.
D.
Where to register a course.
【单选题】— Does Mike like cats? — ________. He plays with his cat every day.
A.
Yes, he is
B.
No, he doesn’t
C.
No, he isn’t
D.
Yes, he does
【简答题】阅读对话，完成表格。 Becky: Hello! Are you Hyde? Hyde: Yes, I am. What’s your name, please? Becky: My name’s Becky. I’m in Class Two, Grade One. I’m in Row Four. Hyde: I’m in Class One, Grade One. I’m in Row Si...
【简答题】阅读理解。 Hello, boys and girls. I'm Tom. Nice to meet you. Tom is my first name. What's my last name? My last name is Hanks. Tom Hanks is my full name (全名). I'm twelve years old. I'm from England and I'm...
【简答题】砌石防渗按照结构形式分为()两种。
【单选题】在一项队列研究中，如果暴露因素较为少见，且又采用历史性队列研究，其暴露组应选择
A.
一般人群
B.
易回顾人群
C.
特殊暴露人群
D.
有组织的人群
E.
特殊地区人群
【简答题】在一项关于吸烟与肺癌的队列研究中，获得如下资料：吸烟组肺癌的发病率为51．0/10万人年，非吸烟组的肺癌发病率为5．0/10万人年，而一般人群(全人群)的肺癌发病率为21．0/10万人年。请据此计算吸烟暴露对肺癌发病的各项效应测量指标，并对其结果作出解释与评价。
【单选题】听力原文：W: Art Department, the treasurer Brown speaking. M: Hello, Professor Brown, my name is Frak Meloy. I'm thinking of taking your course in acrylic painting, and I'm calling to find more about it. W...
A.
An art student.
B.
A chemistry student.
C.
A newspaper reporter.
D.
A landscape designer.
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