Unit2 sailing the oceans reading & language points
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| 名称 | Unit2 sailing the oceans reading & language points |  | |
| 格式 | rar | ||
| 文件大小 | 1.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2008-11-02 09:13:00 | ||
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课件31张PPT。sailing the oceansZheng HeHe led a large fleet(舰队) to
Explore Southeast Asia,
India and the
Middle East in the Ming
Dynasty. He even reached the
east coast of Africa, which
people called the “Great West
Ocean”.Marco Polo
The most famous westerner
to travel the Silk Road. He
was born in Venice, the only
person to provide information
about China to the outside
world. James Cook
Britain Commanded three voyages
of discovery for Great
Britain, and sailed around
the world twice.Are they navigators or explorers?
What is the difference between a navigator and an explorer?A navigator explores the sea; an explorer discovers new places on land.How do you think seamen found their way before modern accurate methods of navigation were invented?compassastrolabesextantsea/nautical chartreadingRead about what navigation was like before modern instruments were used.Sailing the oceansPage 1Using nature Keeping alongside the coastline
Using celestial bodies
Using wildlife
Using the weather
Using the seaUsing celestial bodiesto plot the positionsto work out the latitudea special cloud formation indicates there is land close byUsing wildlifeIf seaweed was fresh and smelled strongly, the ship was close to land.Sea birds could be used to show the way to land when it was nowhere to be seen.Using the weatherfogTo help identify the position of a stream or river when…To direct their sailingfresh seaweed, nesting birds returning home in the evening or fog.
Use the information to analyze the navigational skills and write the answers in your own words.To find the ship’s position at sea a sailor use _______________________.
A sailor knew that land was nearby if he saw ________________________________.
Sailors used __________________________ to increase their speed.the North Star and the sun.sea currents or tides and windsPage 2Read and fill in the blanksThere were two methods to find longitude: 1. _______________________
_______________________
2._______________________
________________________measuring time and speed
involving throwing a knotted ropecompass and complicatedmathematical tablesHow to find latitude?
Bearing circle
Astrolabe
Quadrant
Sextant
Which of the following statements is true according to the
passage? A. The bearing circle was the first instrument to measure position between the sun and the ship. B. The quadrant was awkward to handle and used a moving ship as a fixed point of reference. C. The astrolabe, quadrant and sextant all connected were developed into the most accurate and reliable instrument, sextant. D. The astrolabe was a special instrument to tell the distance among the ship, the sun and stars.C We can infer from the passage__________. A. Earliest seamen explored the oceans since latitude and longitude made it possible to plot a ship’s position. B. Earliest sailors only used celestial bodies, the weather, and tides and currents to navigate. C. The first seamen began to use navigational instruments to find longitude instead of using nature. D. In history of sailing the oceans, man mainly used nature to sail before navigational instruments were made. D mercy n. 仁慈,宽恕,怜悯
have / take (no) mercy on 对…（不）同情
show mercy to 对…表示怜悯
He showed little mercy to the prisoners.
He had / took little mercy on the prisoners.
without mercy 残忍地，毫不留情地
at the mercy of 任由…摆布
The boat was at the mercy of the rapid river.
mercy killing uc. 安乐死minimum opp. maximum1) adj. 最少的, 最小的, 最低的 minimum wage / weather 2)n.(pl.minimums) 最小(量), 最低额; 最低限度; 最低点 They want to spend a minimum of both time and money.
We will try and keep the cost of the tickets to a minimum.
the fewest problems the lowest price the least joy horizon c.地平线 (the horizon)
The sun rose above / sank below the horizon.
c.(知识，经验，兴趣等的)范围，界限
Good movies broaden your horizons.
on the horizon 在地平线上，事物即将出现
There’s trouble on the horizon.
zip across the horizon 一鸣惊人 secure adj. 安全的，可靠的，放心的，无虑的 n. security
Children won’t work hard if they feel secure about
everything in their daily life.
feel secure about 对…觉的放心
be secure from / against 没有遭受…的危险
be secure of 对…有把握，确信
have one’s mind secure 放心
vt. 获得，取得；使安全，牢固
Can you secure two tickets to the play for me?
=Can you secure me two tickets to the play?
He secured the doors and windows before he left his house.involve n. involvementvt. 使卷入,使陷入,拖累;使专注; 包含,涉及;使专心,热衷
a task which involves much difficulty
be involved in a trouble / disaster
He was involved in working out a plan.
advance vt.vi. . 前进,推进 opp. retreat, withdraw
The army advanced to the city.
She advanced the hand ten minutes.
增进，使进步
Scientific knowledge has greatly advanced.
预支
Will you advance me some money?
Will you advance some money to me?
提出Scientists have advanced a new theory to explain this phenomenon. 提前The time of the meeting has been advanced from 10 to 3.
晋级，提升地位
He advanced in life. 他飞黄腾达 advance-------postpone/put off reference n. 参考，查阅；提及；证明书，保证人
reference book
They will lend you money if you can provide a banker’s
reference.
She didn’t make reference to her marriage.
make (a) reference to 说到，谈及；参考
have reference to与…有关系
with / in reference to 与…有关,关于
without (any) reference to 与…无关 plunge v. 颠簸;投入, 插入,跳入;使陷入, He plunged his burned hand into the cold water.
plunge into a river
plunge sb. into deep sorrow.
plunge into war
deposit vt. 放置;储存;使沉淀,沉积;付…做定金
n. c. 存款;定金;沉淀物,矿藏
He deposited the books on the table.
I deposited $50 in my saving account.
As the river slows down, it deposits a layer of soil.
They usually ask you to pay $100 as a deposit.
a current/ fixed deposit 活期／定期存款
draw out one’s deposit 提取存款 make a deposit 存入存款 routine n. (日常中)惯例，例行工作，日常事物
Doing daily report was once our routine.
daily routine 日常工作
break the routine 打破常规
follow one’s routine 按照惯例行事
adj. 常规的，例行的，一成不变的
a routine medical check 常规的健康检查
a dull routine question 无聊的例行询问 reckon v. 计算，估计;认为
认为某人／物是
I reckon her among / as my rivals.
I reckon her (to be) honest /an honest girl.
将某事物计算在内
Have you reckoned in the train fare?
He reckoned on a large profit.
指望，依赖
reckon with 考虑到，重视
reckon without 未考虑到，未重视
She is certainly a woman to be reckoned with.
tear ( tore, torn) vt. 撤破,撕破
tear apart 拆散，使…分离
~motors
tear down (pull down, knock down)拆除，拆掉(建筑物)
~the old building
tear off 扯掉;草率赶完(工作等)
tear up 撕毁，撕碎(合同等)( tear … into pieces)
~the letters
tear into 攻击，抨击,无被动
n. c.眼泪
burst into tears
in tears 哭泣，留泪The old house of this area had to be ________ immediately so
that the government could carry its flower-style-city
programme out.
A. torn up B. torn down C. torn away D. torn outB
Explore Southeast Asia,
India and the
Middle East in the Ming
Dynasty. He even reached the
east coast of Africa, which
people called the “Great West
Ocean”.Marco Polo
The most famous westerner
to travel the Silk Road. He
was born in Venice, the only
person to provide information
about China to the outside
world. James Cook
Britain Commanded three voyages
of discovery for Great
Britain, and sailed around
the world twice.Are they navigators or explorers?
What is the difference between a navigator and an explorer?A navigator explores the sea; an explorer discovers new places on land.How do you think seamen found their way before modern accurate methods of navigation were invented?compassastrolabesextantsea/nautical chartreadingRead about what navigation was like before modern instruments were used.Sailing the oceansPage 1Using nature Keeping alongside the coastline
Using celestial bodies
Using wildlife
Using the weather
Using the seaUsing celestial bodiesto plot the positionsto work out the latitudea special cloud formation indicates there is land close byUsing wildlifeIf seaweed was fresh and smelled strongly, the ship was close to land.Sea birds could be used to show the way to land when it was nowhere to be seen.Using the weatherfogTo help identify the position of a stream or river when…To direct their sailingfresh seaweed, nesting birds returning home in the evening or fog.
Use the information to analyze the navigational skills and write the answers in your own words.To find the ship’s position at sea a sailor use _______________________.
A sailor knew that land was nearby if he saw ________________________________.
Sailors used __________________________ to increase their speed.the North Star and the sun.sea currents or tides and windsPage 2Read and fill in the blanksThere were two methods to find longitude: 1. _______________________
_______________________
2._______________________
________________________measuring time and speed
involving throwing a knotted ropecompass and complicatedmathematical tablesHow to find latitude?
Bearing circle
Astrolabe
Quadrant
Sextant
Which of the following statements is true according to the
passage? A. The bearing circle was the first instrument to measure position between the sun and the ship. B. The quadrant was awkward to handle and used a moving ship as a fixed point of reference. C. The astrolabe, quadrant and sextant all connected were developed into the most accurate and reliable instrument, sextant. D. The astrolabe was a special instrument to tell the distance among the ship, the sun and stars.C We can infer from the passage__________. A. Earliest seamen explored the oceans since latitude and longitude made it possible to plot a ship’s position. B. Earliest sailors only used celestial bodies, the weather, and tides and currents to navigate. C. The first seamen began to use navigational instruments to find longitude instead of using nature. D. In history of sailing the oceans, man mainly used nature to sail before navigational instruments were made. D mercy n. 仁慈,宽恕,怜悯
have / take (no) mercy on 对…（不）同情
show mercy to 对…表示怜悯
He showed little mercy to the prisoners.
He had / took little mercy on the prisoners.
without mercy 残忍地，毫不留情地
at the mercy of 任由…摆布
The boat was at the mercy of the rapid river.
mercy killing uc. 安乐死minimum opp. maximum1) adj. 最少的, 最小的, 最低的 minimum wage / weather 2)n.(pl.minimums) 最小(量), 最低额; 最低限度; 最低点 They want to spend a minimum of both time and money.
We will try and keep the cost of the tickets to a minimum.
the fewest problems the lowest price the least joy horizon c.地平线 (the horizon)
The sun rose above / sank below the horizon.
c.(知识，经验，兴趣等的)范围，界限
Good movies broaden your horizons.
on the horizon 在地平线上，事物即将出现
There’s trouble on the horizon.
zip across the horizon 一鸣惊人 secure adj. 安全的，可靠的，放心的，无虑的 n. security
Children won’t work hard if they feel secure about
everything in their daily life.
feel secure about 对…觉的放心
be secure from / against 没有遭受…的危险
be secure of 对…有把握，确信
have one’s mind secure 放心
vt. 获得，取得；使安全，牢固
Can you secure two tickets to the play for me?
=Can you secure me two tickets to the play?
He secured the doors and windows before he left his house.involve n. involvementvt. 使卷入,使陷入,拖累;使专注; 包含,涉及;使专心,热衷
a task which involves much difficulty
be involved in a trouble / disaster
He was involved in working out a plan.
advance vt.vi. . 前进,推进 opp. retreat, withdraw
The army advanced to the city.
She advanced the hand ten minutes.
增进，使进步
Scientific knowledge has greatly advanced.
预支
Will you advance me some money?
Will you advance some money to me?
提出Scientists have advanced a new theory to explain this phenomenon. 提前The time of the meeting has been advanced from 10 to 3.
晋级，提升地位
He advanced in life. 他飞黄腾达 advance-------postpone/put off reference n. 参考，查阅；提及；证明书，保证人
reference book
They will lend you money if you can provide a banker’s
reference.
She didn’t make reference to her marriage.
make (a) reference to 说到，谈及；参考
have reference to与…有关系
with / in reference to 与…有关,关于
without (any) reference to 与…无关 plunge v. 颠簸;投入, 插入,跳入;使陷入, He plunged his burned hand into the cold water.
plunge into a river
plunge sb. into deep sorrow.
plunge into war
deposit vt. 放置;储存;使沉淀,沉积;付…做定金
n. c. 存款;定金;沉淀物,矿藏
He deposited the books on the table.
I deposited $50 in my saving account.
As the river slows down, it deposits a layer of soil.
They usually ask you to pay $100 as a deposit.
a current/ fixed deposit 活期／定期存款
draw out one’s deposit 提取存款 make a deposit 存入存款 routine n. (日常中)惯例，例行工作，日常事物
Doing daily report was once our routine.
daily routine 日常工作
break the routine 打破常规
follow one’s routine 按照惯例行事
adj. 常规的，例行的，一成不变的
a routine medical check 常规的健康检查
a dull routine question 无聊的例行询问 reckon v. 计算，估计;认为
认为某人／物是
I reckon her among / as my rivals.
I reckon her (to be) honest /an honest girl.
将某事物计算在内
Have you reckoned in the train fare?
He reckoned on a large profit.
指望，依赖
reckon with 考虑到，重视
reckon without 未考虑到，未重视
She is certainly a woman to be reckoned with.
tear ( tore, torn) vt. 撤破,撕破
tear apart 拆散，使…分离
~motors
tear down (pull down, knock down)拆除，拆掉(建筑物)
~the old building
tear off 扯掉;草率赶完(工作等)
tear up 撕毁，撕碎(合同等)( tear … into pieces)
~the letters
tear into 攻击，抨击,无被动
n. c.眼泪
burst into tears
in tears 哭泣，留泪The old house of this area had to be ________ immediately so
that the government could carry its flower-style-city
programme out.
A. torn up B. torn down C. torn away D. torn outB