Have you ever wondered where pearls come from? They aren't found underground like diamonds. They are made inside animals that live in the sea.
But what kind of animal can make jewels? Certain kinds of animals that live in shells, like clams, can make pearls. Inside those shells, animals like clams are very soft. It's easy for their bodies to get hurt if something gets inside their shell.
When something does get inside, like a piece of sand, the shellfish quickly begins coating the thing so that its insides won't get hurt. The shellfish covers the thing with layers of the same stuff that is on the inside of its shell. After many layers are added, it becomes a pearl. (Kayleen Hartman, staff writer)
你曾經想過珍珠是哪裡來的嗎？它們不像鑽石是在地底下被開採，而是在海底動物體內生成的。
不過哪一種動物可以製造出珍珠？像是蛤蜊等住在貝殼裡的動物，才能夠生成珍珠。在這些貝殼裡，如蛤蜊般的動物非常柔軟。假如有東西跑進貝殼裡，牠們的身體就很容易受傷。
有東西跑進去時，比如說是一粒沙子，貝類動物就會很快地將它包住，如此體內才不會受傷。貝類動物會用體內相同的物質將它層層包住。一層又一層包圍後，珍珠就誕生了。
（翻譯：賴美君）
1. What kind of animal can make pearls?
a. Animals like fish.
b. Animals like crabs.
c. Animals like clams.
d. Animals like squid.
2. Where are the pearls made?
a. Outside the animal's shell.
b. Inside the animal's shell.
c. In the sand.
d. In the animal's layers.
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