【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
【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?
【单选题】从投资银行和商业银行的关系来看,目前美国属于哪个阶段?
【判断题】用pH试纸测试水质时,pH值在1~6时属碱性。
【判断题】液体的饱和蒸气压不仅与液体的温度有关,还与液体的性质有关。