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【简答题】
Dialogue 1 M. We need to talk about how to price our fruit drinks. W. I have been doing some market research on the fruit drinks on campus. There is one stand already, but I think we can still compete with them with our fresh-made fruit juice at better quality and price. M. So how much are they selling their drinks? W. They are selling at 7 yuan for any drink in a 250ml paper cup, with apple, pear, orange and banana flavors. I believe we can do better than that, maybe 6 yuan or even 5 yuan. That is more affordable for our students. M. Sounds good. How can we do that? W. We should always get fresh fruits from the morning market at lower prices. We will print a discount card on the back of our name card. When a customer buys, say 10 cups in total, he will get one free. M. Very good idea. Anything else you can think of? W. Well, we shall offer a better price after 9 o’clock in the evening to promote sales. For instance, a usual cup is sold at 6 yuan, but after 9:00pm it is available at 5 yuan. In this way we can get rid of our stock of the day very quickly. M. Shall we include deliveries to door? W. Yes why not, but only when someone orders 3 cups altogether or above, and better in the evening when we have more help. M. Maybe we can make hot soybean drinks as well. I am sure some people prefer hot drinks. Soybean drinks are very healthy too. How much do you think we should charge? W. 3 yuan I would say. We do not need to offer discounts at night for the soybean drinks though, because we do not need to worry about its stock. M. You are so smart. Oral Practice: 1. Take turns to read aloud the dialogue with your partner. Make sure to correct each other’s mistakes with pronunciation and intonation. 2. If you are required to add some snacks to go with these fruit /soybean drinks, what would you add? Talk to your partner on how to price them.
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【简答题】属于物理常数的有 A.熔点 C.晶型 D.η E.n20D
【多选题】属于物理常数的有()。
A.
熔点
B.
C.
晶型
D.
η
E.
【单选题】下列醇与金属钠反应时反应速度最快的是:
A.
异丙醇
B.
丙醇
C.
甲醇
D.
叔丁醇
【多选题】属于物理常数的有()
A.
熔点
B.
C.
晶型
D.
η
E.
n 20 n
【多选题】以下选项中属于物理常数的有
A.
熔点
B.
旋光度
C.
吸收系数
D.
相对密度
【多选题】属于物理常数的有( )。
A.
吸收系数
B.
黏度
C.
馏程
D.
皂化值
E.
分子值
【多选题】属于物理常数的有(  )。
A.
熔点
B.
E1%cm
C.
晶型
D.
η
E.
n20D
【多选题】以下属于物理常数的有
A.
熔点
B.
粘度
C.
比旋度
D.
酸值
E.
皂化值
【单选题】下列醇与金属钠反应时,速度最快的是 ( )
A.
(CH 3 ) 2 CHOH
B.
CH 3 CH 2 OH
C.
(CH 3 ) 3 COH
D.
CH 3 CH 2 CHOHCH 3
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