1. Seller: ________________? Customer: Small, please.
A、A. What’s your size?
B、B. Do you have the small one?
C、C. What would you like?
D、D. Do you have any other colors?
A、A. What’s your size?
B、B. Do you have the small one?
C、C. What would you like?
D、D. Do you have any other colors?
A small dam of height h=2.0m is constructed of vertical wood beams AB of thickness t = 120 mm , as shown in the figure. Consider the beams to be simply supported at the top and bottom. Determine the maximum bending stressin the beams, assuming that the weight density of water is.
- _________
A:Small, medium or large?
B:You must pay first.
C:Thank you.
D:You are welcome.
A、A. try on it
B、B. try it on
C、C. put on it
D、D. put it on
A、A. Why do you like it?
B、B. Why do you want to return it?
C、C. What’s your size?
D、D. What are you looking for?
A、A. What can I do for you?
B、B. How much is it?
C、C. Can you make it cheaper?
D、D. Can you make them cheaper?
A、A. In cash
B、B. Sorry.
C、C. On credit card.
D、D. I don’t know.
A、A. way
B、B. method
C、C. policy
D、D. law
A、A. cons
B、B. con
C、C. pros
D、D. pro
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