Sarah left school at eighteen, went to college and then worked at a computer company．Four years later, she got a new job as a manager in British Airways(英国航空公司)．This is what she told us about her job：
“My office is at Heathrow Airport, but I spend 60％ of my time in the air．I teach air-hostesses(空姐)and help them with any problems．I also go to lots of meetings．
My hours are usually from 8 a.m.to 4 p.m., but sometimes I work from 1 p.m.to 9 p.m. At work, the first thing I do is to check plane times on my computer and then I speak with some of the air-hostesses．
Sometimes I go on long flights(飞行)to check how the air-hostesses are doing．That's my favourite part of the job, but I like office work, too．Travelling can be hard work．When I get back from a long trip, all I can do is to eat something and then go to bed!I don't make much money, but I'm happy with British Airways and want to stay there and continue to travel．”
(1)
Sarah's first job was ________．
[ ]
A．
at a college
B．
at a computer company
C．
in British Airways
D．
at Heathrow Airport
(2)
Sarah does most of her work ________．
[ ]
A．
in meetings
B．
in the computer room
C．
in the office
D．
in airplanes
(3)
Most days, Sarah starts work at ________．
[ ]
A．
8 a.m.
B．
1 p.m.
C．
4 p.m.
D．
9 p.m.
(4)
The first thing Sarah does after a long trip is to ________．
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 sa 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 of 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 ________．
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