VIII. Looking back

It’s important for industries to stop __________ of toxic waste into rivers and seas so that no harm is caused to the environment.

1. to dispose 
2. disposing
3. dispose
4. being disposed

A __________ robot looks similar to a person and has certain human qualities.

1. humanoid
2. humankind
3. humane
4. humanly

An online course is a form of education that __________ over the Internet.

1. takes place
2. has taken place
3. is taken place 
4. has been taken place

Noah wants to see wildlife in Africa, so he decides to go on a __________ holiday.

1. beach
2. guided 
3. sightseeing 
4. safari

These activities can make a more environmentally friendly choice and reduce their __________.

1. nitrogen footprint
2. oxygen footprint
3. carbon footprint
4. global footprint

The doctor is listening to the patient’s heart and lungs using a __________.

1. microscope
2. telescope
3. stethoscope 
4. molecule

He’s __________ next week for a beach holiday after successfully completing the project.

1. getting on
2. getting off 
3. getting away
4. getting far

Plastic pollution has had a disastrous effect __________ the environment.

1. of
2. on
3. to
4. in

Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.

Now, scientists can genetic modify and improve foods, making them tastier and more nutritious.

1. genetic
2. and improve
3. making
4. tastier

Tourism brings enormous economic benefits, because it also harms the natural environment.

1. brings 
2. economic benefits 
3. because
4. the natural environment

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
Student A: I love exploring nature, and I’d like to help protect it. What kind of holiday suits me? - Student B: __________

1. You should go on an eco-holiday.
2. Nothing is suitable.
3. You can’t afford such a holiday.
4. A sightseeing holiday.

Student A: John, you look terrible! What’s wrong with you? - Student B: __________

1. Thanks for your question.
2. I was so sick yesterday.
3. The weather will be better.
4. You must be wrong, too.

Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

1. seafood
2. clean-up
3. release
4. research

1. exotic
2. extreme
3. extinct 
4. explore