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

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

• would have been obtained

• would obtain

• could be obtained

• obtain

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

• would dwindle

• would have dwindled

• dwindles

• will dwindle

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

• they would implement

• they will implement

• they would have implemented

• they had implemented

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

• the uncontrolled urbanization trend was not addressed

• urbanization has always been uncontrolled

• energy expenditure did not soar out of control

• energy expenditure soared out of control

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

• breakthroughs in medicine happen faster

• breakthroughs in medicine had happened faster

• breakthroughs in medicine would be happening faster today.

• will breakthroughs in medicine happen faster?

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

• will be funded

• would be funded

• funds

• had been funded

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

• practical training was insufficient at university

• graduates cannot choose among too many job opportunities

• nowadays, it's impossible to secure jobs

• practical training is useless

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

• it wouldn't be seen

• • we wouldn't see

• we wouldn't have seen

• it had been seen

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

• the automotive industry would substantially grow in the 2010s.

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

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

• electric vehicles would have been very popular today.

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

• wouldn’t have been

• won’t be

• wouldn’t be

• isn’t