Unit 1 Great Scientists教案

idea 1 or 2? why?  idea 2. because the data showed a connection with the water.
the conclusion john snow was able to defeat cholera once its cause was known.

step 6 retell the passage
provide ss with a summary with some blanks. let them retell the passage as well as pay attention to some important words.
read the passage again and fill in the blanks:
john snow was a well-known ____ in london in the ___ century. he wanted to find the ______ of cholera in order to ______ it. in 1854 when a cholera ____ out, he began to gather information. he _____ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the ______ died. so he decided that the polluted water carried cholera. he suggested that the _____ of all water supply be _______ and new methods of ________ with polluted water be found. finally, “king cholera” was defeated.
 step 7 language points
1. attend  v.
to be present at; go to 出席，參加
he decided to attend the meeting himself.
to give one’s attention; listen 注意，傾聽(常跟to連用)
are you attending to what is being said?
to look after; serve 照顧，護理
i have a good doctor attending me.
(4) to go with 伴隨，陪伴
danger attended everything he did. 他做的每一件事都帶有危險。
attendance  n.照顧：出席人數
there is a doctor in attendance. 有一位醫生照顧。
there was a large attendance at the concert. 音樂會聽眾很多。
2 ease  v.
(1) to free from pain, worry 減輕；緩和
the doctor gave him some painkillers to ease the pain.
the relationship between the two countries has eased.
(2) to relax 放松
it’s time for your father to ease up on his work a bit. he’s getting old.
n. the condition of being comfortable 舒適;
freedom from difficulty, or hardship不費力
a life of ease 舒適的生活
with ease 毫不費力地，輕而易舉地
to jump over with ease 很容易跳過去
he passed the examination with ease.
3. expose  v.
to make visible 暴露
new fashions are exposing more and more of the body.
與to連用
he exposes his skin to the sun.
to reveal the guilt or wrong doing of 揭露
he exposed their plot. 他揭露了他們的陰謀。
the crime of the corrupt officials must be exposed without any reserve.
對貪官污吏的罪行一定要毫無保留地予以揭發。
4. every time ：連詞，引導時間狀語從句，后省略when；類似的還有 immediately，the moment，directly, instantly.
every time i meet him, i always think of the things happening between us.
i will give the report to him immediately i see him.
i came directly i got your message.
5. outbreak  n.
   (1)a sudden increase 突然發生