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【多选题】
在标准耐火试验条件下对 4 组承重墙试件进行耐火极限测定,实验结果如下表所示,表中数据正确的实验序号是() 序号 承载能力( min ) 完整性( min ) 隔热性( min ) 1 130 120 115 2 130 135 115 3 140 130 120 4 115 115 120A.
序号 2
B.
序号 4
C.
序号 1
D.
序号 3
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举一反三
【单选题】lt's so cold outside. Put on more clothes. They can _____ the cold. [ ]
A.
keep on
B.
keep out
C.
keep up
D.
keep away
【单选题】W hich of the following is mentioned in your textbook as a guideline for effective informative speaking?
A.
Avoid talking about your personal experiences.
B.
U se chronological organization whenever possible.
C.
R elate to the audience by speaking in technical terms.
D.
Don’t overestimate what the audience knows.
【简答题】A.cater for B.cater with C.keep up D.keep out
【简答题】When the mixture is used, it is important to _________ [ A] keep sugar and salt in water [ B ] drink it as often as necessary [ C] take it as much as possible [ D]use it to kill the bacteria
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