Unit 7　The unknown world

Captain Troy:Hello, Liz and Gus.Listen carefully.This is very important.We can't land the mother ship in the forest because of the trees.Now look at your map.Can you see square B4? Your spaceship is there.There's a river near you,in square C4.The river goes into a lake in B2, C2 and D2.There are some mountains next to the lake in E1, E2 and E3.We're going to land the mother ship in square D1.Remember that square D1 is our landing site.We can't land in A1, B1, C1 or A2, because there's a desert there.And don't go to D5 or E5 since a town is there.

 We're going to land the day after tomorrow.You must get to the landing site in two days.Then we must take off and leave.

You must leave most things behind.You can only carry five things.I hope you make it! Oh, one more thing.Remember that you mustn't hurt or kill anyone on this planet.Good luck!