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English Vocabulary in Use Upper-intermediate (Unit 33: Science and technology)


Match the sentence beginnings on the left with the endings on the right.

1 These chemicals a that button, it turns the printer on.
2 If you pull b to flash after a few seconds.
3 The zoologist extracted c react with each other.
4 When you press d in the theory.
5 They experimented e that lever, it starts the machine.
6 I believe there is a flaw f the animal to see why it died.
7 They had to dissect g the organs from the animal.
8 A red light started h with different liquids.
Exercise-33.2 Exercise-33.4


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