Unit 13

Match: Make sure you put the jar lid back on so the food inside won’t go bad.

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A ................. isn’t expensive.

• gum

• glasses

• garbage bag

• globe

Which of the following words means “cái đòn bẩy”?

• axe

• wrench
• hammer
• lever

Which of the following words means “dụng cụ, công cụ”?

• stairs

• instrument
• gramophone

• tool

A bicycle has two of these.

• wheel and axle

• tools

• doorknobs

• light bulbs

When Mrs. Hall broke her leg, she couldn’t walk, so she used a(n) ..................... for several weeks.

The ............ isn’t a new invention.

Which inventions are wedge?

• Axe

• Hammers
• Fork

• Knife

Which inventions are ramp?

• Stairs

• Jar lid

• Bicycle

• Knife

Which word means “glider”?

• đinh

• lướt nhẹ

• trượt nhẹ

• máy hát