What's the word?
What does it mean?
Grammar
Animal facts
100

not harmful to the environment, or trying to help the environment

eco-friendly

100

form a bond

Create a strong connection with someone

100

What is the definite article and the zero article?

definite article = the

zero article = no article

100

What is biomimicry?

the practice of making technological and industrial design copying natural processes

200

designed to prevent images on a surface caused by light shining on it

anti-reflective

200

the bottom line

the main aspect to consider

200

How can you refer to things in general. Several options are correct:

1. zero article + plural

2. the + plural

3. the + singular

4. zero + singular

5. the + adjective

1. zero article + plural

3. the + singular

4. zero + singular (noncount nouns)

5. the + adjective

200

What's threatening the survival of bees?

Poisonous pesticides, poor weather, and disease.

300

An expression with "get on" that means "annoy someone".

get on someone's nerves

300

see eye to eye with someone

agree with someone

300

What are double comparatives used for?

Double comparatives are used to emphasize the importance of doing or not doing something by showing the cause and effect of an action.

Example:

The more you practice, the better you'll become.

300

What animal was the explorer Guirec Soudée's unusual traveling companion?

a hen

400

designed or arranged in a way that makes movement easier through air or water

streamlined

400

make light of something

not take something seriously

400

What's the difference between "neither" and "none"?

Use neither when referring to two items. Use none when referring to more than two items or to an uncountable noun. 

Example:
Neither of the two candidates is very impressive.
None of the four candidates is very impressive.
400

Where and when was the first zoo opened?

In France in 1793

500

Something that is very new and a big change from other things of its type

groundbreaking

500

make no bones about something

speak frankly about something without hesitation or evasion

500

Is this sentence correct?

Many commuters use cars or buses, neither of which is energy efficient.

Yes.

500

What animal inspired the streamlined design of the bullet train?

the fisherking bird

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