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【判断题】
炉膛负压摆动大,瞬间负压到最大,一、二次风压不正常地降低,水位瞬间下降,汽温下降,据上述条件可判断是炉内爆管。A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】Read the information and the chart below. What findings can you report according to the chart?You work in the marketing department of your company and your line manager has delegated to you the task o...
A.
Over the last three months, the number of visitors has increased by 650. There are two reasons for the increase
B.
With regards to costs, banners have cost 3200 euros a month but very few people seem to visit the website as a result of these.
C.
On the other hand, the newsletter doesn’t cost anything (other than my time) but has helped to increase the number of visitors.
D.
/
【判断题】On June 12, 2016, you go short 500 ounces gold futures with maturity of three months and the initial margin requirement is $20,000. If the future price closes 5 dollars per ounce higher on the next tr...
A.
正确
B.
错误
【单选题】如果体系经过一系列变化过程，最后又回到初始状态，则体系：( )
A.
Q=0, W=0, D U=0, D H=0
B.
Q≠0, W≠0, D U=0, D H=Q
C.
Q=-W, D U=Q+W=0, D H=0
D.
Q≠-W, D U=Q+W, D H=0
【判断题】On June 12, 2015, you go short 500 ounces gold futures with maturity of three months and the initial margin requirement is $20,000. If the future price closes 5 dollars per ounce higher on the next tr...
A.
正确
B.
错误
【单选题】With no rain for three months,and the food supplies running out,the present here is getting worse. [ ]
A.
case
B.
condition
C.
state D .situation
【单选题】With no rain for three months, and the food supplies running out, the present __here is getting worse.
A.
case
B.
condition
C.
state
D.
situation
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