Unit 2 Lesson 12

Complete the sentences with an appropriate form of the words in the box (Lesson 12)

a)The populated  of the world is growing..Will we be able to grow enough food?
b)One reason GM crops are science is that we do not know what the health risks may be.
c) Enginer what to recrete the woolly mammoth.
d)ls it controversy to clane a human being?
e)Genetic ethics is a new discipline.


Complete these sentenses with the verbs ion parentheses in the corrct tese. (Lesson 12)

a) Did he sometimes used (use) the internet to find information?
b)When the scientists cloned the first animal? (clane)
c)The woolly mammoth existed (not exist)for thousands of years now.
d) Do we will be able to (be able to)stop people from getting old in the future?
e) The scientists did (do) enough research about the effects of GM crops?

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