A sound wave has the remarkable property of being able to travel through a vacuum.

A. 对
B. 错

The units that make taste possible are clusters of neurons located on the tongue called taste buds.

A. 对
B. 错

You have no receptor neurons in the joints of your body.

A. 对
B. 错

Fill in the blanks with the words or expressions from the boxes.sprained, remarkable, alcohol, infection, priority, first aid kit, bandage, treat, shout at, encouraged

What does the man order as a main course?[音频]

A normal cheese burger.
B. A double cheese burger.
C. A burger with chips.
D. Fish and chips.

What does he order to drink?

A. Iced tea.
B. Juice.
Coke.
D. Coffee.

How much does the man pay?

A. £1.63.
B. £3.00
C. £8.37.
D. £10.00.

Why do the speakers choose this restaurant to have dinner?[音频]

A. it is inexpensive.
B. they liked it the last time they had dinner there.
C. they’re going to celebrate their wedding anniversary.
D. they’re going to celebrate the woman’s birthday.

What is the woman worrying about at first?

A. She wouldn’t dare to eat the snails.
B. They might not be able to afford the food there.
C. The man wouldn’t like the French dishes in the restaurant.
D. They wouldn’t have enough time to have dinner.

What does the woman plan to order as the main course?

A. Salmon.
B. French cheese and white wine.
C. Roast duck.
D. Snails and green salad.