Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音，然后回答以下问题。 In what way does echo-location in bats play an utilitarian role? Not all sounds made by animals serve as language, and we have only to tu...
Lesson 6 The sporting spirit 体育的精神 First listen and then answer the following question. 听录音，然后回答以下问题. How does the writer describe sport at the international level? I am always amazed when I hear people saying that sp...
Lesson 4 Seeing hands 能看见东西的手 First listen and answer the following question. 听录音，然后回答以下问题。 How did Vera discover she had this gift of second sight? Several cases have been reported in Russia recently of people ...
Lesson 3 Matterhorn man 马特霍恩山区人 First listen and then answer the following question. 听录音，然后回答以下问题。 What was the main objective of early mountain climbers? Modern alpinists try to climb mountains by a route which...
Lesson 2 Spare that spider不要伤害蜘蛛 First listen and then answer the following question. 听录音，然后回答以下问题。 How much of each year do spiders spend killing insects? Why, you may wonder, should spiders be our friends? Becau...
Lesson 1 Finding fossil man 发现化石人 First listen and then answer the following question. 听录音，然后回答以下问题。 Why are legends handed down by storytellers useful? We can read of things that happened 5,000 years ago in the Nea...
Lesson 60:Too early and too late 太早和太晚 Listen to the tape then answer the question below. 听录音，然后回答以下问题。 Why did the young girl miss the train? Punctuality is a necessary habit in all public affairs in civilized soci...
Lesson 59:Collecting 收藏 Listen to the tape then answer the question below. 听录音，然后回答以下问题。 What in particular does a person gain when he or she becomes a serious collector? People tend to amass possessions, sometimes withou...
Lesson 58: A spot of bother 一点儿小麻烦 Listen to the tape then answer the question below. 听录音，然后回答以下问题。 What did the old lady find when she got home? The old lady was glad to be back at the block of flats where she li...
Lesson 57: Back in the old country 重返故里 Listen to the tape then answer the question below. 听录音，然后回答以下问题。 Did the narrator find is mother's grave? I stopped to let the car cool off and to study the map. I had expected ...
