ein 静脉
A vein is a kind of blood vessel found all over the body.
Veins carry blood back to the heart after it has given oxygen to the organs.
Many veins are close to the skin, and sometimes you can see them as blue lines.
Veins have thin walls and small doors inside to keep blood moving in one direction.
The largest veins connect the lower and upper parts of the body to the heart.
Walking and moving your legs help the veins work well.
静脉是一种遍布全身的血管。
静脉把血液在送氧给器官后运回心脏。
许多静脉靠近皮肤，有时你能看到蓝色的线条。
静脉壁薄，里面有小瓣膜，能让血液只朝一个方向流动。
最大几条静脉把身体上下部分和心脏连接起来。
多走路和活动双腿有助于静脉正常工作。
配套练习✍️ vein /veɪn/
🔍 完形填空（Cloze Test）
-
A vein is a kind of ______ vessel.
（a. water / b. blood / c. air） -
Veins carry blood ______ to the heart.
（a. away / b. back / c. around） -
Some veins look like ______ lines under the skin.
（a. blue / b. red / c. black） -
Veins have small doors inside so blood moves ______.
（a. in both ways / b. in one direction / c. outside） -
Moving your legs can help ______ work well.
（a. feet / b. veins / c. eyes）
✅ 选择题（Multiple Choice）
-
Where do veins carry blood?
A) To the heart
B) To the stomach
C) To the ears -
What do the thin walls and small doors in veins do?
A) They help blood move the right way
B) They open for air
C) They grow new skin -
What might you see as blue lines under your skin?
A) Hair
B) Veins
C) Bones
✏️ 填空题（Fill in the Blanks）
-
Veins are found all over the ______.
（可选答案：body, desk, street） -
Veins bring blood back to the ______.
（可选答案：heart, room, foot） -
The biggest veins connect the body to the ______.
（可选答案：heart, garden, ear） -
To help your veins, you should ______ your legs often.
（可选答案：move, cover, dry）
练习答案✅
完形填空
- b. blood
- b. back
- a. blue
- b. in one direction
- b. veins
选择题
6. A) To the heart
7. A) They help blood move the right way
8. B) Veins
填空题
9. body
10. heart
11. heart
12. move
📌文章CEFR 等级：A1级
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