Darmowe konto pozwoli wrócić do niego później.

7.2. _____ the idea of training them to pick up litter is not as crazy as it may sound.

According to studies, they already use certain tools in their own habitats. What’s more, they

respond well to reward systems and are 7.3. _____ of learning from one another.

The founders of Crowded Cities got the idea to use crows for their project when they

7.4. _____ some information about a man named Joshua Klein, who teaches crows to collect

coins.

An important step in the crows’ training is to teach them to drop the cigarette filters into

special machines, called CrowBars. If an item dropped into a CrowBar is identified by

the machine as a cigarette butt, it releases a piece of food for the crow as a reward. This

7.5. _____ in order to encourage the crow to return with more cigarette butts. If this scheme

proves to be successful, cigarette butts will be easily removed from streets. It must be

pointed out that cigarette butts pose a threat to the environment as they are non-degradable.

They find their way from streets to drains, to rivers, and 7.6. _____ to seas, oceans and

beaches. Not only are they unsightly, but they’re also toxic to certain marine animals.

Na podstawie: recycle.ab.ca

7.1.

A. remain

B. recognize

C. realize

D. relieve

7.2.

A. despite

B. though

C. therefore

D. because

7.3.

A. likely

B. skilful

C. gifted

D. capable

7.4.

A. came up

B. came about

C. came across

D. came round

7.5.

A. is done

B. is doing

C. used to do

D. has been doing

7.6.

A. eventually

B. initially

C. hardly

D. extremely

PRZENIEŚ ROZWIĄZANIA NA KARTĘ ODPOWIEDZI!

-100

B

D

7.2.

C

B

7.3.

D

A

7.4.

C

A

7.5.

A

C

7.6.

A

B