You can speak to people on other side of the earth （1）

other前加the

other前加the

   over the telephone in the help of a satelljye.aie.It can （2）

with

with

   help to take photos on the earth and produce maps. （3）

of

of

   Some pictures taking by satellites show us the exact （4）

taken

taken

   place which different metals can be found.They can （5）

where

where

   also tell the differences between healthy plants and poor （6）

√

√

   ones.This is a great help to the scientists work （7）

working

working

   in forestry and in agriculture.Satellites benefit by our （8）

去掉by

去掉by

   daily life.For example，satellites for broadcasting are used （9）

√

√

   to sending radio and TV program from one （10）

send

send

   part of the world to other.It is the satellites （11）

another

another

   that make our world seem smaller. （12）

√

√