Jaw 下颌

Thejawis the strong bone that forms the bottom part of the face and holds the lower teeth.
Every person has twojaws: the upper jaw stays still, while the lowerjawcan move up and down.
Thejawhelps people chew food by opening and closing the mouth.
Muscles connected to thejawallow it to move when you eat or speak.
The shape of thejawgives the chin its look and helps form the shape of the face.
Sometimes thejawfeels tired or sore after a lot of talking or chewing.

下颌是构成面部下部的坚硬骨骼，并承托着下排牙齿。
每个人都有两块下颌骨：上颌骨固定不动，下颌骨可以上下活动。
下颌通过张合嘴巴帮助人们咀嚼食物。
与下颌相连的肌肉使其在进食或说话时可以移动。
下颌的形状决定了下巴的外观，也影响脸型。
长时间说话或咀嚼后，下颌有时会感到累或酸痛。

配套练习?? jaw /d???/

?? 完形填空（Cloze Test）

The jaw is the ______ bone at the bottom of the face.
（a. soft / b. strong / c. thin）

The lower jaw can move, but the ______ jaw does not move.
（a. shorter / b. harder / c. upper）

The jaw helps people chew their ______.
（a. words / b. food / c. hands）

Muscles help the jaw ______ up and down.
（a. sit / b. move / c. fly）

After much talking, the jaw may feel ______.
（a. heavy / b. tired / c. clean）

? 选择题（Multiple Choice）

What does the jaw hold?
A) Lower teeth
B) Hair
C) Eyes

Why does the shape of the jaw matter?
A) It helps you smile
B) It helps form the chin and face
C) It helps you run faster

When can the jaw become sore?
A) After writing
B) After chewing a lot
C) After sleeping

?? 填空题（Fill in the Blanks）

The two types of jaw are the upper jaw and the ______ jaw.
（可选答案：lower, big, soft）

The jaw is moved by strong ______.
（可选答案：muscles, shoes, teeth）

The jaw helps people chew by opening and closing the ______.
（可选答案：mouth, ear, neck）

Talking for a long time may make your jaw feel ______.
（可选答案：tired, loud, dry）

练习答案?

完形填空

b. strong c. upper b. food b. move b. tired

选择题#p#分页标题#e#
6. A) Lower teeth
7. B) It helps form the chin and face
8. B) After chewing a lot

填空题
9. lower
10. muscles
11. mouth
12. tired

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