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【多选题】
流式光散射检测系统检测器包括( )A.
散射光检测器
B.
反射光检测器
C.
检测器
D.
荧光检测器
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【简答题】What may you say to the waiter or waitress when you want to know the food in the restuarant?
【判断题】When the guests arrive at the restaurant, the waiter or waitress might ask "Do you have the reservation?".
A.
正确
B.
错误
【简答题】半锥角为α的圆锥形封头,在半径为R处的第一、第二主曲率半径分别为A. ∞、RB. R、∞C. R、R/cosαD. ∞、R/cosα
【单选题】When the waiter ask the guest whether he or she make any orders, the waiter could ask:________
A.
Would you like some vegetables for your lunch?
B.
Are you ready to order now?
C.
Hope you enjoy your meal.
D.
You have order......Am I correct?
【判断题】When the guest arrived at the restaurant, the waiter should ask the guest whether he or she has a reservation.
A.
正确
B.
错误
【单选题】When the waiter or ____ gives you the menu, you have to make some decisions.
A.
separate
B.
waitress
C.
charge
D.
pick… up
E.
reservation
【多选题】When the waiter asks your order at a restaurant, you may say_________.
A.
I'll take the Seafood Salad with Fresh Fruit.
B.
I'd like to order a salad.
C.
Would you like toast or a muffin?
D.
I want to eat this one.
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