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计算题： 干湿球法测定烟气中含湿量。已知干球温度（ta）为52℃，湿球温度（tb）为40℃，通过湿球表面时的烟气压力（Pb）为－1334Pa，大气压力（Ba）为101380Pa，测点处烟气静压（Ps）为－883Pa，试求烟气含湿量（Xsw。）的百分含量[湿球温度为40℃时饱和蒸汽压（Pbv）为7377Pa，系数C为0.00066）。
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【单选题】The aid will be increased ______.
A.
to the target set by the UN
B.
to the target set for 2013
C.
to about $12 billion annually
D.
by about $12 billion annually
【简答题】用 CNT 指令编写一个能记录 1 万个计数脉冲的计数器程序,画出梯形图。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】Press a third button so that the alarm is set.
A.
To set the alarm, you need to press the button three times.
B.
There are three buttons needed to set the alarm.
C.
After pressing a third button, you finish setting the alarm.
【单选题】Why did President Bush veto the previous war spending bill?
A.
Because the Democrats set a deadline to the withdrawal of American soldiers in Iraq.
B.
Because the bill was proposed by Democrats, but Bush belongs to the Republican Party.
C.
Because the spending was not enough.
D.
Because the spending was too much.
【单选题】The man set upon by a wolf in the forest.
A.
attacked
B.
seized
C.
snatched
D.
frightened
【简答题】阅读理解 Kate’s bedroom is big. A TV set is in the room. The TV set is on the table. Some red flowers (花) are on it, too. We can see a nice picture on the wall. We can see a hat and some books on her bed....
【简答题】用 CNT 指令编写一个能记录 1 万个计数脉冲的计数器程序,画出梯形图。
【简答题】固定的: a set of rooms; a set of rules; a set speed limit; set ideas; a set expression; a set fee; the setting sun; set sb laughing; set out; set off; set up; set sth somewhere; set an example; wait till...
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