1.

remove,  detritus,  climb up,  climb down,

post letters,  show,  pack,  transport,  goods,

pay the bill,  king,  queen,  chop,  cut down,

break,  hit nails,  glass,  plastic,  silk,  cotton,

wool,  bottle,  screen,  light bulb,  fish tank,

plastic bag,  mouse,  keyboard,  bed sheets,

robe,  cotton swab,  face mask,  blanket,  carpet.

解释: 

Toothpick: used for removing detritus between teeth

Cutting board: used for cutting meat or vegetables

Building blocks: used for children to play

Ladder: used for climbing up and down a wall

Stamp: used for posting letters

Desk calendar: used for showing the date of the year

Packing box: used for packing and transporting goods

Packing bag: used for packing and transporting goods

Coin: used for paying the bill

Crown: used for king or queen to wear on the head

Axe: used for chopping wood and cutting down trees

Saw: used for cutting wood and metal

Hammer: used for breaking things and hitting nails

Wheel: used for cars or bikes to move

2.

What is/are ……… used for?

……… is/are used for …………….  

What is the toothpick used for?

Toothpick is used for removing detritus between 

teeth.

What is/are ……… made of?

……… is made of …………….    

What is the bottle made of?

The bottle is made of glass.

What is the plastic bag made of?

The plastic bag is made of plastic.

3.

Glass and water both bend light.

Plastic goods have already polluted Earth.

You can tell it’s silk by the feel.

She is wearing a flowered cotton dress.

My mom bought a ball of wool.

He drank a whole bottle of milk last night.

Looking at the computer screen all day can be very hard on the eyes.

One of the light bulb in my bedroom is broken.

We need to add some water in the fish tank.

This shampoo bottle is empty now.

The plastic bag won’t hold your shoes.

You can check your e-mail with a click of your mouse.

I am typing an e-mail with a keyboard.

The maid will change the bed sheets once a week.

I am wearing a robe after shower.

My dad used to clean his ears with cotton swabs.

The doctor was wearing a face mask while he was working.

I covered my body with a warm blanket.

The floor  is covered by a red carpet.