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【简答题】
河口与一般河流最显著的区别是（ ）。
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反馈参考答案：
举一反三
【简答题】根据《政府会计准则——基本准则》 ，政府会计负债的计量方法包括( )。 A历史成本 B重置成本 C现值 D公允价值 E名义金额计量
【单选题】零件图尺寸标注的基本要求中“合理”一项是指
A.
所注尺寸符合设计要求
B.
所注尺寸符合工艺要求
C.
所注尺寸既符合设计要求，又方便加工和检验
D.
尺寸从设计基准直接注出
【单选题】According to SOLAS the breathing air apparatus that must be onboard shall have sufficient capacity for how many minutes of operation?
A.
60
B.
45
C.
30
D.
20
【单选题】How many minutes of moderate-intensity physical activity are recommended for s in the 2008 Physical Activity Guidelines for Americans?
A.
150 minutes per week
B.
60 minutes every day
C.
50 minutes every day
D.
30 minutes three days a week
【单选题】How many minutes of Concrete mixed in stationary mixers and transported by non-agitating equipment shall be pay?
A.
30 minutes
B.
20 minutes
C.
40 minutes
D.
15 minutes
【单选题】According to SOLAS the breathing apparatus that must be onboard shall have sufficient capacity for how many minutes of operation?
A.
20
B.
30
C.
45
D.
60
【单选题】【单选】According to SOLAS the breathing apparatus onboard shall have sufficient capacity for how many minutes of operation?
A.
20
B.
30
C.
45
D.
60
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