The Forbidden City教案

知識點：
1) unless      除非；如果不；要是不 
例如：
unless he studies hard, he will never pass the examination.
他如果不努力學習, 就永遠不能考及格。
i shall go unless it rains.                  如果不下雨我就去。
this baby seldom cries unless he is tired.      這個嬰兒很少哭除非在他疲倦時。
i’ll go unless he telephones.                 他不來電話我就去。
stay for dinner, unless you’re busy.           如果你不忙，就留下來吃飯吧。
we’ll be late unless we speed up.            我們要不加快速度，就會遲到。
2) divided into   把……分成……
3) cover        覆蓋
相關短語：
be covered with   覆蓋著……
be covered by    由……覆蓋
例句：
cover the table with a cloth 把桌子鋪上臺布
be covered with moss     長滿綠苔
be covered with snow all the year round     終年積雪
cover the loss                          彌補損失
his studies covered a wide field.           他的知識淵博。
lies cannot cover up facts.                謊言掩蓋不住事實。
the best reporters were sent to cover the war. 最優秀的記者被派去做戰地報道。
all the pupils in the school are covered against accidents.
學校里所有的學生都參加了人身保險。
there are lots of bus lines covering the area. 有許多公共汽車路線遍布于這一地區。
between …and   ……和……兩者之間
3. the building of the palace began in 1407, the 5th year of the yongle rule, it was not completed until 1420. it was said that a million people, including one hundred thousand skilled workers were driven into long-term hard labor. it was said that a well was dug every fifty meters along the road in order to pour water onto the road in winter. ancient chinese people showed their great skills in building the forbidden city. take the external city wall for example. the angular shape of the city wall made any attempt to climb it impossible.
紫禁城始建于14XX年，即永樂五年，直至1420年才完工。據說，有一百萬工人包括十萬工匠被迫去做長期苦工。據說當時沿路每隔50米就挖一口井，為的是在冬天可以把水傾倒在路上使其結冰，把巨大的石頭順著冰面滑進京城。古代中國人民在建造紫禁城時展示了他們高超的技藝。以宏偉的外部（紅色）城墻為例，城墻的角度使得試圖攀爬是不可能的。