2. Blood is a miracle liquid. It flows to every part of the body. Some blood cells carry food and oxygen to body organs. Other cells kill germs and help stop cuts from bleeding. People can die if they lose a lot of blood or if their blood cells get sick. Doctors sometimes give people fresh blood to save their lives. The story mainly tells: a. How many blood cells are made by the body. b. How important blood is. c. Why people can die from loss of blood. d. Why sick people are sometimes given blood.

3. People do not really use music to charm snakes. Snakes have no ears, so they can’t hear a flute. The snake Charmer startles the snake by waving a hand near it. The snake lifts its head to look around. The charmer then sways back and forth or moves the flute. The snake moves its head to keep an eye on the movement. People do not really use music to charm snakes. Snakes have no ears, so they can’t hear a flute. The snake Charmer startles the snake by waving a hand near it. The snake lifts its head to look around. The charmer then sways back and forth or moves the flute. The snake moves its head to keep an eye on the movement. The story mainly tells: a. Why flute music charms snakes. b. Why snakes can’t hear sounds. c. How people really charm snakes. d. Why snakes have no ears.

4. A bat can fly at night or even with its eyes closed. But if you cover its ears, it can’t fly very well. Bats make sounds that people can’t hear. The bats can tell where things are by listening to the sounds as they echo off of things. Bats even locate insects to eat by following the sounds that bounce off the bugs. People use their eyes, but bats use their ears to know where they’re going. A bat can fly at night or even with its eyes closed. But if you cover its ears, it can’t fly very well. Bats make sounds that people can’t hear. The bats can tell where things are by listening to the sounds as they echo off of things. Bats even locate insects to eat by following the sounds that bounce off the bugs. People use their eyes, but bats use their ears to know where they’re going. They story mainly tells about: a. How bats use sound. b. What things bats often eat as food. c. How bats fly toward people. d. How people can hear the sounds of bats.

5. The White House has ghosts. The most famous ghost is Abraham Lincoln. He is often seen standing in his room looking out the window. Even Eleanor Roosevelt said that she saw him. There is a legend that old Abe walks back and forth all night before something terrible is about to happen. The White House has ghosts. The most famous ghost is Abraham Lincoln. He is often seen standing in his room looking out the window. Even Eleanor Roosevelt said that she saw him. There is a legend that old Abe walks back and forth all night before something terrible is about to happen. The story is mainly about: a. What Lincoln’s ghost is like. b. When Eleanor Roosevelt’s ghost walked. c. How many ghosts the White House has. d. How many ghosts show when something will happen.

6. Do you want to work while you’re a student? If you are younger than sixteen, some states may limit what you can do. Some state laws say that you can work only after school hours. Also, you cannot work at dangerous jobs, like mining. Most states won’t let kids under fourteen hold regular jobs. Do you want to work while you’re a student? If you are younger than sixteen, some states may limit what you can do. Some state laws say that you can work only after school hours. Also, you cannot work at dangerous jobs, like mining. Most states won’t let kids under fourteen hold regular jobs. The story mainly tells: a. Which jobs are dangerous. b. Why school is more important than work. c. About state laws. d. About some state laws that affect working teenagers.