(正面)

(背面)

小题1:Where can you find such a card?

A．a bus station

B．a park

C．a bank

D．a hotel小题2:How many buses can reach the hotel?

A．Two

B．Three

C．Four

D．One小题3:What can a guest do if he gets lost?

A．He can take Bus 507 to the hotel

B．He can wait until the light is green.

C．He can call the hotel at the phone number on the card.

D．He can visit the website.小题4:Which of the following is true?

A．The card can be used to open the door.

B．Open the door when the red light is on.

C．A guest can keep the card when he checks out.

D．If the card is lost, a guest will have to pay for it.

何为氨基酸评分，其营养意义有哪些?