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If a man in a spaceship looked down at the earth, he would see mainly water. He might think that the earth was one giant ocean with little land.
Nearly seven-tenths of the earth's surface is covered by water. One ocean, the Pacific (
太平洋), has an area of 63 million square miles.Many years ago people thought that the land under all this water was flat. Now they know that this is not true. There are as many mountains under the sea as there are on the land.
At first, there was very little salt in the sea. The salt was brought into the, sea by rivers. It is possible to measure the age of the earth by measuring the amount of salt in the sea. Scientists can calculate how many years it took for this amount of salt to be carried from the land into the sea.
(1)Nearly ____of the earth's surface is covered by water.
[ ]
A .seven-tenths |
B .three-tenths |
C .seven-tenth |
D .three-tenth |
(2)Long time ago people thought that the land under the sea was_____
.[ ]
A .mountains |
B .a ball fo gas |
C .full of coal |
D .flat |
(3)In fact, under the sea the land _________
.[ ]
A .is full of mountains |
B .is almost flat |
C .is full of coal |
D .is a ball of gas |
(4)At first, there was ________
.[ ]
A .a little salt in the sea |
B .much salt in the sea |
C .little salt in the sea |
D .no salt in the sea |
(5)We can know the age of the earth by measuring ________
.[ ]
A
.the amount of water in the seaB
.the amount of flat in the seaC
.the amountofmountainsintheseaD
.the amount of salt in the sea 查看习题详情和答案>>ADVERTISEMENTS
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ASSISTANT WANTED FOR BUSY RESTAURANT Some evening and weekend work. All meals free. Ring 3320178 |
JOIN OUR FOOTBALL TEAM Boys and girls wanted to play in local football team. Aged9-13. Meets in Green Park on Friday at 3 p.m |
ROOM TO RENT(出租) Small room to rent in city center flat above restaurant. Newly painted with modern furniture. Near main railway station. Buses pass front door. Phone 3322108 |
Mr. Brown wants to live near his workplace.Mrs. Brown wants a house with four bedrooms.The Browns’ children don’t care what the house is like as long as (只要)the garden is big enough.Ann,their daughter has always wanted to work in a restaurant.She thinks it is an exciting place.It’s hard work but she isn’t lazy.You have to work on Saturdays and Sundays,but you get other days off.It’s not very well Paid.But who cares about money?
Tom is a middle school student.He is twelve years old.He stops school at half past three.so he has plenty of time to finish his homework.
Jack.Mr. Brown’s brother。is 100ldng for a room to rent.He doesn’t care what colour the walls are or how old the furniture is.He is getting ready for his drawing.So the house must be quiet.
( )1.Why didn’t the Browns buy the house in Advertisement One?
A.The garden was too big.
B.There was no dining room.
C.It was on the north side of town.
D.There weren’t enough bedrooms.
( )2.Why does Ann want to get the job in the restaurant?
A.It’s an easy job.
B.She can get long holidays.
C.She thinks it will be interesting.
D.The place is good and the food is free.
( )3.Why can’t Tom play for the new football team?
A.He’s not old enough.
B.School stops too late.
C.It’s in a different village.
D.He has to do his homework.
( )4.What’s wrong with the room for Jack in Advertisement Four?
A.It’s too small_
B.It’s too noisy.
C.The walls are the wrong colour.
D.The man tikes old furniture better.
( )5.What does the sentence “All meals free” mean?
A.Assistants need to Pay for their meals.
B.Assistants can have the meals at any time.
C.Customers(顾客)can have the meals freely.
D.Assistants can have the meals in the restaurant without paying money.
查看习题详情和答案>>
|
Mr Brown wants to live near his workplace. Mrs Brown wants a house with four bedrooms. The
Brown children don't care what the house is like as long as the garden is big enough. Ann, their daughter
has always wanted to work in a restaurant. She thinks it is an exciting place. It's hard work, but she isn't lazy. You have to work on Saturdays and Sundays, but you get other days off. It's not very well-paid. But
who cares about money?
Tom is a middle school student. He is twelve years old. He stops school at half past three, so he has
plenty of time to finish his homework.
Jack, Mr Brown's brother, is looking for a room to rent. He doesn't care what colour the walls are or how old the furniture is. He is getting ready for his drawing. So the house must be quiet.
(1) Why didn't the Browns buy the house in Advertisement
(广告)1?[
]A
.It was on the north side of town.B
.There weren't enough bedrooms.C
.There was no dining-room.D
.The garden was too big.(2) Why does Ann want to get the job in the restaurant?
[
]A
.It's an easy job.B
.The place is good and the food is free.C
.She thinks it will be interesting.D
.She can get long holidays.(3) Why can't Tom play for the new football team?
[
]A
.He's not old enough.B
.It's in a different village.C
.School stops too late.D
.He has to do his homework.(4) What's wrong with the room for Jack in Advertisement 4?
[
]A
.It's too small.B
.The walls are the wrong colour.C
.The man likes old furniture better.D
.It's too noisy.(5) What does the sentence
“All meals free” mean?[
]A
.Assistants can have the meals at any time.B
.Assistants can have the meals in the restaurant without paying money.C
.Customers(顾客)can have the meals freely.D
.Assistants need to pay for their meals. 查看习题详情和答案>>Mr. Brown wants to live near his workplace. Mrs. Brown wants a house with four bedrooms. The
Browns'children don't care what the house is like as long as (只要) the garden is big enough. Ann, their
daughter has always wanted to work in a restaurant. She thinks it is an exciting place. It's hard work but
she isn't lazy. You have to work on Saturdays and Sundays, but you get other days off. It's not very well
Paid. But who cares about money?
Tom is a middle school student. He is twelve years old. He stops school at half past three. so he has
plenty of time to finish his homework.
Jack. Mr. Brown's brother is finding a room to rent. He doesn't care what colour the walls are or how
old the furniture is. He is getting ready for his drawing. So the house must be quiet.
B.There was no dining room.
C.It was on the north side of town.
D.There weren't enough bedrooms.
B.She can get long holidays.
C.She thinks it will be interesting.
D.The place is good and the food is free.
B.School stops too late.
C.It's in a different village.
D.He has to do his homework.
B.It's too noisy.
C.The walls are the wrong colour.
D.The man tikes old furniture better.
B.Assistants can have the meals at any time.
C.Customers (顾客) can have the meals freely.
D.Assistants can have the meals in the restaurant without paying money.