2026年华东师大版一课一练三年级英语上册沪教版五四制增强版第21页答案
B. Read and write（Shenshen一家决定周五出行。请根据开闭园时间，填写合适的内容，跟他们一起确认行程吧，注意合理安排参观时间）
We should visit 1.
the botanical garden
from 8:00—12:00. We can explore（探索）the plants in the whole morning. Then, we can head to Grandparents’ friend’s home 2.
for lunch
. After lunch, we can visit 3.
the vegetable growing base
at 13:00. We can spend hours there.

答案

1. the botanical garden 2. for lunch 3. the vegetable growing base
重点详解
他们安排周五去参观, 周五为工作日, 那么蔬菜种植基地开闭园时间为$13:00$—$17:00$, 植物园开闭园时间为$8:00$—$17:00$, 所以他们应该上午先去植物园,中午去爷爷奶奶的朋友家里吃午饭,下午再去参观蔬菜种植基地。
(
B
) 1. Plants need
B
to grow. It gives them energy to make their own food through(通过)photosynthesis(光合作用).

A.water
B.sunlight(阳光)
C.soil(土壤)

答案

1. B
(
A
) 2.
A
helps plants with their photosynthesis process (过程) and keeps them healthy. They need it to breathe (呼吸).

A.Air
B.Sunlight
C.Soil

答案

2. A
(
C
) 3.
C
is like a home for plants. It holds the plants steady(稳固的), gives them nutrients(营养) and helps them stay warm.

A.Air
B.Sunlight
C.Soil

答案

3. C
(
A
) 4.
A
carry pollen(花粉) from one flower to another(另一朵) which is called pollination(授粉).

A.Bees
B.Workers
C.Ants

答案

4. A
(
C
) 5. People
C
the vegetables to help them stay healthy.

A.grow
B.plant
C.water

答案

5. C