2026年通成学典课时作业本三年级英语下册译林版苏州专版第51页答案
一、“What are these/those?”的用法

1. — What are these? — They're
apples
(apple).
(
B
) 2. — What are
over there?
— They're butterflies.
A. these
B. those
C. that
(
B
) 3. 同桌指着你桌上的尺子问：“What are these?”，你可以回答：

A. It's a ruler.
B. They are rulers.
C. Those are rulers.
4. ducks those cows these
A: What are
these
? B: They're
ducks
.
A: What are
those
? B: They're
cows
.

答案

1. apples 2. B 3. B 4. these; ducks; those; cows
二、规则变化的名词单数变复数的构成规则

1. I see three
rabbits
(rabbit) on the farm.
2. There are some
leaves
(leaf) on the ground.
3. — Are those
tomatoes
(tomato)? — Yes, they are.
4. We have two
libraries
(library) in our school.
5. Look! My
boxes
(box) are very big.

答案

1. rabbits 2. leaves 3. tomatoes 4. libraries 5. boxes