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A&B Unit 4 Input 1- Type 3 & Mixed Conditionals

Total questions: 16

Worksheet time: 6mins

Name
Class
Date
1.

If the DNA extraction process had been less gruelling (challenging, difficult), the results ___ sooner.

a)

would have been obtained

b)

would obtain

c)

could be obtained

d)

obtain

2.

If early civilizations had harnessed solar energy, their reliance on scarce resources ___ greatly. (dwindle= decrease, lessen)

a)

would dwindle

b)

would have dwindled

c)

dwindles

d)

will dwindle

3.

If scientists had foreseen the immense potential of genetic editing, ____ it earlier.

a)

they would implement

b)

they will implement

c)

they would have implemented

d)

they had implemented

4.

What can be inferred from this sentence?: If the uncontrolled urbanization trend had not been addressed, energy expenditure would have soared out of control.

a)

the uncontrolled urbanization trend was not addressed

b)

urbanization has always been uncontrolled

c)

energy expenditure did not soar out of control

d)

energy expenditure soared out of control

5.

If scientists had shared DNA research more openly, .................

a)

breakthroughs in medicine happen faster

b)

breakthroughs in medicine had happened faster

c)

breakthroughs in medicine would be happening faster today.

d)

will breakthroughs in medicine happen faster?

6.

If the research into DNA depletion ............., the breakthrough would have occurred a long time ago.

a)

will be funded

b)

would be funded

c)

funds

d)

had been funded

7.

What can be inferred from this sentence?: If university life included more practical training, graduates would be finding it easier to secure jobs now.

a)

practical training was insufficient at university

b)

graduates cannot choose among too many job opportunities

c)

nowadays, it's impossible to secure jobs

d)

practical training is useless

8.

If governments had banned single-use plastics years ago, .................. so much plastic pollution in oceans today.

a)

it wouldn't be seen

b)
  • we wouldn't see

c)

we wouldn't have seen

d)

it had been seen

9.

Choose two correct answers: If governments had subsidized electric vehicles two decades ago, ................

a)

the automotive industry would substantially grow in the 2010s.

b)
  • we wouldn't see as much air pollution in cities today.

c)
  • the automotive industry might have shifted to greener practices sooner.

d)

electric vehicles would have been very popular today.

10.

If the factory hadn't dumped contaminants in the river, the water ___ unsafe today.

a)

wouldn’t have been

b)

won’t be

c)

wouldn’t be

d)

isn’t

11.

If the development of DNA sequencing hadn't been so astounding, genetic medicine ___ so much progress today.

a)

wouldn't have made

b)

isn't making

c)

wouldn’t be making

d)

wouldn’t made

12.

............................ if the Chernobyl disaster hadn't happened ???

a)

Will nuclear energy be viewed more positively today

b)

Nuclear energy would be viewed more positively today

c)

Would nuclear energy be viewed more positively today

d)

Is nuclear energy viewed more positively today

13.

Which of the following can be inferred?: If alternative energy sources had been prioritized in the 1980s, the world might have reduced its reliance on nuclear power.

a)

the world reduced its reliance on nuclear power

b)

nuclear power is considered an alternative energy source

c)

alternative energy sources were not dominant in the 1980s

d)

alternative energy sources cause environmental risks

14.

If integration of sustainable practices hadn’t been overlooked, modern development ___ less destructive.

a)

would have been

b)

is

c)

will be

d)

could be

15.

If the Hubble Space Telescope had not been repaired, we ................. the iconic images of distant galaxies.

a)

would be able to see

b)

might be able to see

c)

should be able to see

d)

would not be able to see

16.

If the first moon landing ........., humanity would not be planning missions to the Moon today.

a)

failed

b)

had failed

c)

is failing

d)

would fail