Matching Pairs Trial 7Online version Trial 7 by Martin Smith 1 The population grew like Abidjan’s; 2 This massive open pit is the biggest mine in Isoko. 3 This piece of gold is worth about ten dollars. 4 Suddenly everyone was earning money. 5 Considering the giant scale of the pit, the final product seems meagre. 6 Toxic mercury is used to aggregate the gold, Hundreds of people work in tandem to dig out gold ore. and with this, the economy also became like Abidjan’s – says one man. Look! He’s washing out a tiny grain! Of gold! and is then drained into the soil.