Someday we will all have robots that will be our personal servants. They will look and behave much like real humans. We will be able to talk to these mechanical helpers and they will be able to respond in kind! Amazingly, the robots of the future will be able to learn from experience. They will be smart, strong, and untiring workers whose only goal will be to make our lives easier.What is this selection mainly about? : Someday we will have robots that will be our personal servants.. Many people have not heard giraffes make noises. Giraffes do not use sounds to “talk” with each other. When hurt, giraffes make a low moo, something like a cow. When frightened, they make a short, high sound.What is the main idea: Giraffes do make noises . Floods can cause tremendous damage. They can ruin houses, roads and buildings. Floods can take down trees and cause mudslides. It often leaves mud, sand and debris behind. It can take months to clean up after a flood. What is the main idea: Floods can cause a lot of damage.. Steel is a very important metal which is used for many things. In the United States, the automobile industry uses the most steel. Steel is used in putting up buildings. Cans and containers are made from steel. Steel is used to make farm and factory machines.The Main Idea Is:: Steel is used for many purposes.. There are about 2,000 kinds of bats. They come in many sizes. Bats are rather strange looking animals. They are soft and furry with large ears. Bats cannot walk or run. They usually eat insects. Bats are the only mammals that fly.The Main Idea Is:: Bats are unusual animals.. In 1903, Wilbur and Orville Wright were the first people to successfully fly an airplane. As children, the brothers enjoyed building and tinkering with things. Later, they owned printing and bicycle making businesses. The skills and money made from these businesses helped them create several aircrafts during the 1890’s. Finally, in 1903, the Wright brothers successfully flew the first controlled airplane at Kitty Hawk, North Carolina: The Wright brothers were the first to fly.. Main idea: Natural disaster preparednessWhich detail supports the main idea? : Scientists look at weather trends to know which areas would be likely to have a natural disaster . Which term best describes the main idea of a piece of writing: A central point. Niagra Falls is one of the most beautiful sights in North America. It is on the Niagra River halfway between Lake Ontario and Lake Erie. Niagra Falls is located on the American and Canadian border. The American Falls is 167 feet high. On the Canadian side, the Horseshoe Falls is 161 feet high. Which of the following is NOT a supporting detail? : Niagra Falls is one of the most beautiful sights in North America