听对话,1.Weshouldpayattentiontowhenwelookupawordinthisdictionary.A.spellingB.thealphabeticalorderC.themeanings2.Whendidsomethinglikerobotsappear?A.In1921.B.After1921.C.Before1921.3.Weshouldn'talways

Question

听对话,

1.We should pay attention to ______ when we look up a word in this dictionary.

A.spelling
B.the alphabetical order
C.the meanings

2.When did something like robots appear?

A.In 1921.
B.After 1921.
C.Before 1921.

3.We shouldn't always spend _______ time on it.

A.no
B.a little
C.too much

4.What's Tom doing?

A.Riding his bike.
B.Mending his bike.
C.Buying a bike.

5.Can robots take the place of humans?

A.Yes,they can.
B.No,they can't.
C.Some day they can.

Answer 1

1-5:B C C B B