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【单选题】
在P(A)=81.04kPa、P(B)=60.78kPa、P(C)=0时，基元反应2A(g)+B(g)=C(g)在定温、条件发生。当P(C)=20.20kPa时，反应速率约为初始速率的：A.
1/6；
B.
1/16；
C.
1/24；
D.
1/48。
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举一反三
【单选题】Listen to Passage 2 in "Listening in" and choose the correct answer to the question. What do you think "the dress down Friday" means?
A.
Wear a dress on Friday
B.
Wear casually or informally on Friday
C.
Go to buy a dress on Friday
D.
Rest on Friday
【简答题】Read the passage about "Balance Sheet" and answer the following questions. Questions: 1. What is a balance sheet? Why is it so called? 2. What are the two types of balance sheets?
【简答题】美国第一任总统乔治华盛顿属于哪个党派?
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