1. (2017高三上·莱芜期中) 阅读理解

    Types of Fire Extinguishers

    Fire extinguishers are marked according to the kind of fore on which they should be used. Using the wrong type of the extinguishers can be dangerous and make things worse.

    Type A extinguishers are used for fires on paper, cloth, wood, rubber, many plastics and so on. These types of fires usually leave ashes when they burn, so use Type A extinguishers for fires that leave ashes.

    Type B extinguishers are used for burning liquids, such as oil, gasoline, and paints. These substances often come in barral-shaped containers, so use Type B extinguishers for such barrals.

    Type C extinguishers are used for electrical fires Electricity travels in a circuit, so use Type C extinguishers for circuits.

    Remember, A is for Ashes, B is for Barrals, and C is for Circuits. Make sure you have the correct type of fire extinguisher, learn PASS. PASS stands for Pull, Aim, Squeeze, and Sweep.

    Pull the pin at top of the extinguisher cylinder（灭火器圆筒）.

    Aim the nozzle（喷嘴）at the base of the fire.

    Squeeze or press the bandle.

    Sweep the sprary from side-to-side at the fire's base until it goes out.

1. （1） What is the purpose of the text?

   A . To get the readers informed. B . To entertain readers. C . To sell fire extinguishers. D . To express opinions.
3. （2） What should you do before using a fire extinguisher?

   A . Check whether it is in good condition. B . Check whether you have chosen a right one. C . Make sure you have an instructor beside you. D . Made sure you have mastered the way to use one.
5. （3） Which of following can replace the underlined phrase “goes out” ?

   A . Keeps burning. B . Stops bursting. C . Goes off. D . Stops shining.
7. （4） The tone of this test can be best described as _______.

   A . depressing. B . humorous. C . serious. D . optimistic.