Question

  Have you ever wanted a toy balloon? Balloons are very light. But there are much bigger balloons which can fly very high in the sky. They are big enough to carry people. They are called hotair balloons.

  To make a hotair balloon go up,turn on the burner (燃烧器) .That will make the air inside the balloon hotter. Then the balloon will go up.

  To make the balloon go down,turn off the burner. The air inside the balloon will get cooler. Then the balloon will go down.

  Underneath (在.... 下面) the balloon there is a large basket.  That is where the pilot and the passengers are.

  The burner is just above the basket. You can stand in the basket and turn the burner on and off.

  The balloon will go to the place that the wind is blowing to!Do you want the balloon to go somewhere special? First make sure the wind is blowing the right way!

  People have been flying in hotair balloons for over two hundred years. Before planes were invented,it was the only way of flying by hotair balloon. Today people fly in hotair balloons for fun.

  Some people like to race hotair balloons. The First Hotair Balloon World Championship (锦标赛) was held in 1973.

(   ) 1. A hotair balloon is         .

   A. smaller than a toy balloon   B. bigger than a toy balloon

   C. as big as a toy balloon      D. lighter than a toy balloon

(   ) 2. Where will you stand if you want to fly in a hotair balloon?

   A. Inside the basket. B. On top of the balloon.

   C. Under the basket.  D. Inside the balloon.

(   ) 3. If you want the balloon to go up,you should         .

   A. jump out of the balloon       B. let the air go out of the balloon

   C. make the air inside the balloon hotter   D. let the air inside the balloon cool down

(   ) 4. Now everything is all right!The balloon is flying across the sky. Where are you going?

   A. Towards the sun.       B. To the seaside.

   C. To the nearest mountains. D. To the place that the wind blows to.

(   ) 5. The best title for this passage is "         ”.

   A. The burner

   B. The First Hotair Balloon World Championship

   C. Flying in hotair balloons

   D. Planes and hotair balloons

Answer 1

1. B细节理解题。由题目中的关键词A hot-air balloon ,可回原文定位于第一段第三句。根据"But there are much bigger balloons which can fly very high in the sky."可知，热气球比玩具气球大得多。

2. A细节理解题。由题目中的关键词you stand... fly in a hotair balloon ,可回原文定位于第四段。通读第四段可知，人可以站在热气球下面的篮子里随热气球上天。

3. C细节理解题。由题目中的关键词want the balloon to go up ,可回原文定位于第二段。要使热气球上升，必须先让热气球内的空气变热起来。

4. D细节理解题。由题目中的关键词"Where... going?"，可回原文定位于第六段。通读第六段可知，热气球会飞向风吹向的地方。

5. C主旨大意题。由题目中的关键词The best title,可回原文定位并理解全文。文章主要讲述了乘热气球飞行的相关知识。