任務(wù)型閱讀
根據(jù)短文內(nèi)容，從短文后的五個選項中選出最佳選項填入文中相應(yīng)的位置。
下面文章中有5處（第71—75題）需要添加小標題。請從以下選項中選出符合各段意思的小標題。

Have you ever rubbed(擦) your hands together when they get cold? Why do we do that? We do that for friction(摩擦). Friction happens when two things that aren’t very smooth rub together to make heat energy. The faster you rub two things together, the more friction (and heat) you can make. Let’s discover friction!
●________小題1:__________
Soap        Water         Your hands
●________小題2:_________
(1). Make sure your hands are dry.
(2). Rub your hands together until you feel the heat of your hands.
(3). Now, use soap and water to get your hands very slippery(滑的).
(4). Try to make friction happen while your hands are slippery.
(5). Please write down what has happened.
●________小題3:__________
Friction is an energy that happens when two things rub together. When friction happens, it makes heat! When your hands are slippery, they won’t make very much friction and your hands won’t get so hot.
●________小題4:_________
(1). Friction happens when you stop your fast running bike.
(2). Ancient people made fire by rubbing two pieces of wood together. Friction happened though they didn’t know it.
●_______小題5:________
Friction is everywhere. Have you ever noticed situations where friction is happening? If not, ask your parents to take you out in a car. If it is not too hot, touch the tires(輪胎) of the car before and after a short drive to see how much warmer they get from friction.

小題1:C
小題2:E
小題3:B
小題4:D
小題5:A

試題分析：這篇文章通過實驗給我們講述了摩擦力的產(chǎn)生的條件和過程，在生活中，處處都存在摩擦力。
小題1:根據(jù)下文提供的道具：肥皂，水，手。可知，前文是What you’ll need你需要什么？故填C
小題2:根據(jù)下文提供的做實驗的步驟，可知，這里是填需要做什么？故選E
小題3:根據(jù)下文講述的摩擦力的產(chǎn)生過程。故這里填B
小題4:下文提供了兩個你可能不知道的事例，可知，這里是填D
小題5:下文講述了在我們的生活中也有很多摩擦力產(chǎn)生，和你的父母一起觀察吧。故選A
點評：對于此類題型的解答，可以將整個文段首先瀏覽一遍，大概理解意思。答題過程中，根據(jù)所提供的答語或是后文進行作答，同時，做題過程中也可以使用排除法，將選項帶到文章中逐一的作答，答完后注意通讀檢查是否符合邏輯，語義順暢。
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