Shell /ʃɛl/
A shell is the hard outer covering of many nuts and seeds.
It provides protection to the seed inside and keeps it safe from predators.
Shells can be made of different materials, such as calcium carbonate or chitin.
The most common types of nuts with shells include walnuts, almonds, and peanuts.
When nuts are harvested, the shells are often removed to access the edible part.
Some people enjoy eating nuts in their shells, while others prefer them without.
Shells can also be used in various products, such as mulch or decoration.
Overall, the shell plays a vital role in the life cycle of nuts and seeds.
壳是许多坚果和种子的硬外层覆盖物。
它为里面的种子提供保护，确保其免受掠食者的伤害。
壳可以由不同材料制成，如碳酸钙或壳质。
带有壳的最常见的坚果包括核桃、杏仁和花生。
当坚果收获时，壳通常会被去除，以便获取可食用部分。
有些人喜欢吃完整的壳坚果，而其他人则更喜欢没有壳的坚果。
壳也可以用于各种产品，如铺料或装饰。
总的来说，壳在坚果和种子的生命周期中扮演着重要角色。
配套练习✍️
🔎语境型完形填空（Contextual Cloze）
-
A shell is the hard outer covering of many nuts and ______.
（seeds / flowers / plants） -
It provides protection to the seed inside and keeps it safe from ______.
（weather / animals / predators） -
Some people enjoy eating nuts in their ______.
（flesh / shells / skins） -
The most common types of nuts with shells include walnuts, almonds, and ______.
（peanuts / pecans / cashews） -
Shells can also be used in various products, such as mulch or ______.
（clothing / decoration / tools）
📝句型模仿（Sentence Building）
Farmers ______ nuts with shells during the harvest.
（选项：collect, sell, eat）
🔗句型模仿（Sentence Building with Linking Words）
Nuts are nutritious, ______ they can be a healthy snack.
（选项：because, since, although）
You can use shells for decoration ______ they add texture to crafts.
（选项：when, while, where）
练习答案✅
完形填空：
- seeds
- predators
- shells
- peanuts
- decoration
句型模仿：
Farmers collect nuts with shells during the harvest.
句型模仿（带连接词）：
Nuts are nutritious, because they can be a healthy snack.
You can use shells for decoration where they add texture to crafts.
📌文章CEFR 等级：A1
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