7S1. MS THU - LESSON 66. VOCABULARY AND READING - EARTH WATCH

What does "choked with" mean?

• safe from

• full of

• dependent on

• destroyed

What does "mattress" mean?

• a soft seat

• a large pad used for sleeping

• a type of wooden furniture

• a thin blanket

What does "vintage" mean?

• harmful

• classic and valuable

• modern

• expensive

What does "machinery" refer to?

• a factory building

• a collection of machines

• a small tool

What does "creek" mean?

• a large river

• a small stream

• a rocky area

• a deep lake

What does "acidic" mean?

• neutral in pH

• having a high level of acid

• completely safe to drink

• tasteless

What does "sycamore trees" refer to?

• a type of large tree

• a flowering plant

• a small bush

• a kind of fruit tree

What does "wetland" mean?

• a dry area

• a forest

• a swampy area with water

• a mountain top

What does "break down" mean?

• to decompose

• to mix together

• to create something new

• to build up

What does "pollutant" mean?

• a type of clean water

• a chemical that cleans the air

• a substance that causes pollution

• a piece of equipment