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閱讀短文，根據短文內容及首字母提示，在空白處填入一個適當的單詞。

Three men were t____1.______ about the world’s greatest wonders.

  The first man said, “I think the pyramids are the greatest. Though people b____2.___ them thousands of years ago, they are still standing. And just think: people at that time didn’t have our m___3.__ machines(機器). How could they build them so long ago?”

  “ I a__4.__ that the pyramids are wonderful,” the second man said, “ but I think computers are more wonderful. Everyone knows computers have changed the world a lot since people i5.___ them.”

  Then the t_____6.____ man said, “ I d___7._____ with you two. I think the most wonderful thing is the Thermos(真空瓶).”

  The other two men were very s_____8._____. “A Thermos!” they said. “Why? It ‘s a simple (簡單) thing.”

  “Oh, no,” the man said. “In w_____9.___ you put in hot water and it stays hot. In summer you put in a cold drink and it stays cold. How does the Thermos know w____10.______ it is winter or summer?”

首字母填空。（10分）

  Three men were t__1.__ about the world’s greatest wonders.

  The first man said,” I think the pyramids are the greatest. Though people b__2.__ them thousands of years ago, they are still standing. And just think: people at that time didn’t have our m__3.__ machines(機器). How could they build them so long ago?”

  “I a__4.__ that the pyramids are wonderful.” The second man said. “ but I think computers are more wonderful. Everyone knows computers have changed the world a lot since people i__5.__ them.”

  Then the t__6.__ man said, “ I d__7.__ with you two. I think the most wonderful thing is the thermos(熱水瓶).”

  The other two men were very s__8.__ , “ A thermos!” They said. “ Why? It’s a simple(簡單) thing.”

  “Oh, no,” the man said.” In w__9.__ you put in hot water and it stays hot. In summer you put in a cold drink and it stays cold. How does the thermos know w__10.__ it is winter or summer?”