Review 2

Which of the following words means "sự đa dạng sinh học"?

• ecosystem

• biodiversity

• climate change

• global warming

Which word is the synonym of "recognise"?

• identify

• effect

• threaten

• endanger

Which word is the synonym of "threatened"?

• recognised

• extinct

• endangered

• identified

1.________ is important because plants and animals depend on each other to survive.

• Biodiversity

• Wildlife

• Habitat

• Ecosystem

Pollution can have serious effects on the balance of ________ .

• climate change

• global warming

• ecosystem

• wildlife

There are some softwares _________ can help improve our pronunciation.

Do you know Mr. Brown, _________ is a famous doctor?

• whose

• that

• which

• who

Hoan Kiem Lake, _________ water is always blue, is very beautiful.

• who

• which

• whose

• that

Students _________ have smartphones can use them to look up words in electronic dictionary.

• who

• which

• that

• A anb C are correct

Which of the following words means "sự phá rừng"?

• habitat

• deforestation

• wildlife

• ecosystem