【正文】
The mountain bees the national boundary for both countries. The fence serves as a boundary between the two buildings. the boundaries of knowledge 2. boundary: n. A. the edge (Line5) B. wall / fence C. limit ABC3. historic: adj. having importance in or influence on history (Line 6) 11 November 1918 is a historic day as it represents the end of World War I. Can you tell me when the historic meeting between the two great leaders was held? This building is of historic importance. historic / historical: Historic and historical are differentiated in usage, though their senses overlap. Historic refers to what is important in history: the first historic voyage to outer space It is also used of what is famous or interesting because of its association with persons or events in history: a historic house Historical refers to whatever existed in the past, whether regarded as important or not: a historical character Historical refers also to anything concerned with history or the study of the past: a historical novel。 while 當(dāng) ……時(shí)候 D. although 盡管;雖然 E. and so too 也一樣 F. a fact which 正如 ……一樣 9. Why didn’t you catch the last bus as I told you to? 10. As he is a doctor, as was hi