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【简答题】
已知某系统进行的两过程焓值的变化： A→B △rHΘm=2．0KJmol-1 B→C △rHΘm=-3．3KJmol-1 试计算焓变。 A→C
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举一反三
【单选题】If a gues doesn't realize that he/she is at the wrong hotel until he/she is checked in, the receptionist should______________.
A.
lose interest in hime at once and let him go immediately.
B.
help him get to the hotel of his choice.
C.
offer him a room assuring him that the price is the same as that hotel.
D.
push him to stay in the wrong hotel.
【简答题】When
people think of tigers, they think strong and erous. But now, the big
animal is calling for our help.
There were once eight kinds of 1 in
the world, but three died out during the 20th century...
【简答题】All forms of tobacco—cigarettes, pipes, cigars , and smokeless tobacco — are erous.It doesn't help to substitute products that seem they're better for you than regular cigarettes, such as filtered...
【简答题】C. Rewrite the following sentences with the help of the phrases and expressions in the box. The italicized part in each sentence may be of help in your task. 1. The job requires me to spend a lot of t...
【简答题】长江公司属于增值税一般纳税人,购买及销售商品适用的增值税税率为 1 3 %。2×1 9 年 12月份发生如下经济业务: ( 1)本月应付职工工资总额为800万元,工资费用分配汇总表中列示的产品生产工人工资为300万元,行政管理人员工资为220万元,在建工程人员工资280万元。工资尚未支付。 ( 2)以其自己生产的彩电10台发放给公司行政管理人员,每台彩电的成本为0.6万元,市场售价为每台1万元。 ...
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