Unit 2 lesson 12

7. Complete the sentences with  an appropriate from of the Words in the box. ( Lesson 12)
a) The popultion  of the world is growing. Will we be able to gow enough food?
b) One reason GM crops are  controversial is  that we do not know what the health risks  may be
c) scientists want to recreate the woolly mammoth
d) Is it ethical to clone a human beging?
e) Genetic engineering is a new discipline.

8.Complete these sentence with the verbs in parentheses in the correct tense. (Lesson 12)
a) Does he sometimes use the internet to find information?
b) When Did scientists clone the first animal?
c) The woolly mammoth has not existed for thousands of years now
d) will, we be able to stop people from getting old in the future?
e) Are scientists doing enough research about the effects of GM crops?
video 12