白天不懂夜的黑（level3lesson3）

1.时差背后的故事

时差产生的地理原因

ー地球自转产生了时差

Bcause of the earth's rotation. the Earth is

divided into time zones

It takes 24 hours for the Earth to make a

complete rotation

  It takes＋时间＋ for somebody to do something

There are 24 time zones on the Earth

时差产生的人文原因

政府规定了当地的标准时

Some countries, such as the US, have several  time zones

One large country, China, has just one time zone for the whole country.

中国的标准时： Beijing Standard Time

美国本土的四个标准时

Pacific Standard Time

Mountain Standard Time

Central Standard Time

Eastern Standard Time

英国的标准时： Greenwich Mean Time

夏令时／日光节约时： Daylight Saving Time

Every year some countries move their clocks forward in the spring and move them back in the autumn

2.如何应对时差（1）

如何描述两地之间有时差

When it's daytime in the US, it's nighttime in

China

When it's 10 am in New York ，it's 7 am in SanFracinsco

there's a time difference between A and B

Theres a 12-hour time difference between

Boston and Shanghai in summer

Theres an 8-hour time difference between China

and the United Kingdom in winter.

there's a 7-hour time difference between

Shanghai and Paris in winter

A is xx hours ahead of B

Shanghai is 12 hours ahead of Boston in

summer

B is xx hours behind A

Boston is 12 hours behind Shanghai in summer.

2.如何应对时差（2）

在异国恋中如何应对时差

How to deal with time zones in a long-distance  relationship

Be patient

Don't go crazy when theres no quick reply

to  messages.

Impatience can harm your relationship.

Take advantage of the World Clock on your

smartphone

With the help of World Clock, you don't have to  remember time zones

Schedule calls in advance

Calling your partner whenever you want to

might cause a lot of trouble

安排越洋会议时如何应对时差

两种常见的越洋会议模式

Telephone conference §Video conference

How to arrange a conference that crosses time zones

We can use a shared calendar to find an open  slot on everyone's schedule

Send emails to confirm with all attendees

Send reminders to all attendees before the

meeting

2.如何应付时差（3）

如何应对飞行时间差反应

What is the cause of jet lag

Traveling across several time zones causes jet lag

The clock may say it is 8:00 pm in Los Angeles  but for your body it's still noon

Suffer from jet lag

I'm still suffering from jet lag after my trip

to  Boston

Signs of jet lag

Difficult to sleep after a long flight

Have a headache

Feel tired

How to beat jet lag

Get a good night's sleep before you fly

Drink a lot of water and avoid coffee or wine

Alcohol and caffeine can disrupt your sleep

patterns

Take a small dose of melatonin