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The students of Class Three are going hiking for their fieldtrip. Hiking is good for people’s health. Many hikers like to hike in the countryside, forest (森林) and mountains. Just walking for fun is the first kind of hiking. Many people like to hike in the parks or just on the sidewalks.
A hike can take a few hours or weeks. For most hiking, people just need clothes and shoes that are good for the weather. At the beginning hikers should start with walks that they can do in one day. As you get stronger, you can go on overnight hikes. Later you can go longer than that. You can make your hiking last (持續) a few days or weeks.
For safety (安全), hikers should hike with someone. You should have one or two friends with you. It is also a good idea to carry a map.
Backpacking is another kind of hiking. People carry food, clothes and other things on their backs in packs. Backpackers can stay many days in the places where there is no food to buy. They carry what they need on their backs.
Now put on your hiking shoes and take a hike.
【小題1】How many kinds of hiking are there in the passage?

Strange things happen when you travel, because the earth is divided into twenty-four time zones(區). The time difference between two zones is one hour. You can have days with more than twenty-four hours and days with fewer than twenty-four hours. You can have weeks with more than seven days and weeks with fewer than seven days.

If you make a five-day trip across the Atlantic Ocean(大西洋)，your ship comes into a different time zone every day. As you come into each zone, the time changes one hour. If you travel west, you set your watch back. If you travel east, you set it ahead. Each day of your trip has either twenty-four or twenty-three hours. If you make a trip by ship across the Pacific Ocean(太平洋), you cross the International Date Line(國際日期變更線). This is the point where a new day begins. When you cross the line, you change one full day. If you travel east, today becomes yesterday. If you travel west, it is tomorrow.

( ) 46. Something interesting will happen to the time if you travel because 　　 .

　　　　 A. a day is always shorter than twenty-four hours

　　　　 B. a day is always longer than twenty-four hours

　　　　 C. a day is more or shorter than twenty-four hours

　　　　 D. sometimes zones are large and sometimes zones are small

( ) 47. If we cross the Atlantic Ocean, we 　　 .

　　　 A. change one full day B. set our watch back

C. set our watch ahead　　　　　　　 D. set our watch back or ahead

( 　) 48. If we travel east across the International Date Line on July 5th, the date becomes July 　　 .

A. 3th B. 4th C. 5th　　　　　　　　　 D. 6th

( ) 49. The Atlantic Ocean 　　 .

A. is in one time zone B. is divided into twenty-four zones

C. is divided into five time zones D. can not be crossed in five days

( ) 50. Which of the following sentences is TRUE?

A. If we travel around the world, we will get into trouble in telling the time.

B. If we travel west across the Atlantic Ocean, we will have twenty-three hours.

C. If we travel by ship across the Atlantic Ocean, we will cross the International Date line.

D. If we travel across the Pacific Ocean, today becomes tomorrow.

  Strange things happen when you travel, because the earth is divided into twenty-four zones (分區). The time difference between two zones is one hour. You can have days with more than twenty-four hours and days with fewer than twenty-four hours. You can have weeks with seven days and weeks with fewer than seven.

  If you make a five-day trip across the Atlantic Ocean (大西洋), your ship comes into a different time zone every day. As you come into each zone, the time changes one hour. If you travel west, you set your watch back. If you travel east, you set it ahead. Each day of your trip has either twenty-five or twenty-three hours.

  If you make a trip by ship across the Pacific Ocean (太平洋), you across the International Date Line (國際日期變更線). This is the point where a new day begins. When you cross the line, you change one full day. If you travel east, today becomes yesterday; if you travel west, it is tomorrow.

(  ) 1. The time difference between two time zones is ___________.

A. twenty-four hours　　　　     　B. one hour           

C. two hours　　　　　           D. twenty-three hours

(  ) 2. If we cross the Atlantic Ocean, we _____________.

A. change one full day　　　　　　B. set our watch back

C. set our watch ahead　　　　　　D. set our watch back or ahead

(  ) 3. If we travel east across the International Date Line on July 5th, the date becomes July _________________.

A. 3rd　　　B. 4th　　　C. 5th　　　D. 6th

(  ) 4. The Atlantic Ocean ____________.

A. is in one time zone　　　　　　　B. is divided into twenty-four zones

C. is divided into five time zones　　　D. can not be crossed in five days

(  ) 5. Which of the following sentences is true?

A. If we travel around the world, we will get into trouble in telling the time.

B. If we travel west across the Atlantic Ocean, we will have twenty-three hours.

C. If we travel by ship across the Atlantic Ocean, we will cross the International Date Line.

D. If we travel across the Pacific Ocean, today becomes tomorrow.

  Strange things happen when you travel, because the earth is divided into twenty-four zones (分區). The time difference between two zones is one hour. You can have days with more than twenty-four hours and days with fewer than twenty-four hours. You can have weeks with seven days and weeks with fewer than seven.

  If you make a five-day trip across the Atlantic Ocean (大西洋), your ship comes into a different time zone every day. As you come into each zone, the time changes one hour. If you travel west, you set your watch back. If you travel east, you set it ahead. Each day of your trip has either twenty-five or twenty-three hours.

  If you make a trip by ship across the Pacific Ocean (太平洋), you across the International Date Line (國際日期變更線). This is the point where a new day begins. When you cross the line, you change one full day. If you travel east, today becomes yesterday; if you travel west, it is tomorrow.

(  ) 1. The time difference between two time zones is ___________.

A. twenty-four hours　　　　     　B. one hour           

C. two hours　　　　　           D. twenty-three hours

(  ) 2. If we cross the Atlantic Ocean, we _____________.

A. change one full day　　　　　　B. set our watch back

C. set our watch ahead　　　　　　D. set our watch back or ahead

(  ) 3. If we travel east across the International Date Line on July 5th, the date becomes July _________________.

A. 3rd　　　B. 4th　　　C. 5th　　　D. 6th

(  ) 4. The Atlantic Ocean ____________.

A. is in one time zone　　　　　　　B. is divided into twenty-four zones

C. is divided into five time zones　　　D. can not be crossed in five days

(  ) 5. Which of the following sentences is true?

A. If we travel around the world, we will get into trouble in telling the time.

B. If we travel west across the Atlantic Ocean, we will have twenty-three hours.

C. If we travel by ship across the Atlantic Ocean, we will cross the International Date Line.

D. If we travel across the Pacific Ocean, today becomes tomorrow.