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請根據下面短文回答第66—70題：
today we are sure that the mail will be sent every day to our door. But in the early days, no one could be sure about where--or when--the mail would arrive.
There is a stump (樹樁) of a big tree in the state of Washington. It was once a "post office". Because people needed a place for the mail carrier(信使) to leave their letters, they found a tree at the cross of roads and cut it down ten feet from the ground. Then they hollowed it out and covered it with something. Inside, they put many boxes. Each box had a family's name on it. The mail carrier could leave letters there for everyone.
Even earlier, when there was no post services, people gave their letters to any traveler going in the right direction. Often they gave them to a traveling shoe maker. The traveler might stop in a small hotel and he would leave the letters there. But the letters stayed there until the person to re- ceive them happened to come by and stop at the y an airmail letter can travel across the world in much less time than that. And you know that your letter will go where you want it to go, and when.
66. What is the text about?
A. The uses of a mail box.
B. The early days of the mail.
C. The post service in Washington State.
67. Why did people cut down the tree?
A. to make it into a "post office".
B. to use it for building houses.
C. to build mail boxes.
68. What does "hollowed it out" mean in "Then they hollowed it out..."?
A. Made its inside empty.
B. Covered its stump up.
C. Cut it short.
69. Who often worked as a mail cartier when there was no post service?
A. A hotel owner.
B. A letter writer.
C. A shoe maker.
70. What do we know about the post service in the old days?
A. Hotels offered post service.
B. Letters were sent to the door.
C. When letters would arrive was not clear.
現在我們確定信件每天都會被送到我們家門口。但是，在早期沒有人能確定信件會在何時到達何地。在華盛頓州有一個大樹樁。它曾經是一所“郵局”。由於人們需要一個地方來讓信使們放信件，他們在十字路口找了一棵樹，砍斷後留下了10英尺高的樹樁。人們將樹樁中間掏空並用東西蓋住。他們在樹樁裡面放了許多盒子，每個盒子上寫著不同家庭的名字。信使可以將所有人的信件都留在樹樁裡。
在更早些時候，那時還沒有郵遞服務，人們將信件託給任何一個去相同方向的旅行者。他們經常把信件託付給旅行的'鞋匠。旅行者可能會停留在一個小旅館然後將信件留在那裡。但是那些信件要在那裡放著直到收信人碰巧經過並且停留在這個旅館。
現在一封航空信件可以在更短的時間前往世界各地。並且你知道你的信件會在何時到達你想要它到達的地方。
66.B【精析】句意：這篇文章是關於什麼的?主旨題。文章除首末段引入和結語外，主體的二、三兩段都是關於早期郵遞服務的，可以推斷出，這篇文章是關於早期信件郵遞的，故選B。
67.A【精析】句意：為什麼人們會砍斷那棵樹?細節題。從文章第二段第二句“It Was once a‘post office’.”可知，人們砍斷這棵樹把它做成了一個“郵局”。故選A。
68.A【精析】句意：在“Then they hollowed it out…”這句話中“hollowedit out”是什麼意思?詞彙題。“hollowed it out”是挖空的意思，B項意為將樹樁蓋起來，C意為把它砍短。故選A。
69.C【精析】句意：在還沒有郵政服務的時候是什麼人充當信使的?細節題。從文章第三段第二句“0ften they gave them to a trave—ling shoe maker.”可以看出，人們會把信件託付給四處旅行做生意的鞋匠。故選C。
70.C【精析】句意：關於古代的郵政服務，我們瞭解了哪些?推理題。從文章第一段第二句“But in the early days，no one could be sureabout where—or when一the mail would arrive.”可推出C項符合。而文章第三段雖提到旅行者會將信件存放在旅館直到收信人碰巧路過取走，但是並沒有說旅館提供郵政服務，故A項不符合文意;B項信件會被送到門口也在文中無法證實。故選c。
