Laboratory work is your chance to learn science firsthand．It can be fun but you must be careful to prevent injury．Listen closely when your teacher reads and explains the rules before your first lab lesson．
LABORATORYRULES
Throughout the lesson
·Do not enter the science lab without the teacher’s permission．·No food or drinks are to be alowed in the science lab．
Before the Experiment
·Read al instructions carefuly before every experiment．
·Prepare al apparatus(仪器)and arrange them so that you wil not knock them over while doing the experiment．
During the Experiment
·If you are unsure of how to use any apparatus or how to operate, ask your teacher for help．·Never smel or taste chemicals unless your teacher gives permission．
After the Experiment
·Wash al apparatus after use and return them to the places where they were．
·Throw waste materials in proper waste baskets．First Aid
·Report al accidents to your teacher immediately．
·If you spil(溅 出)any chemicals onto your body or clothing, wash with plenty of water and report to your teacher．
(1)
Your teacher wil probably tel you the rules above _________ the first lab lesson．
[ ]
A．
before
B．
since
C．
during
D．
after
(2)
Before every experiment, you should _________．
[ ]
A．
taste the chemicals first
B．
clean al the apparatus
C．
read al instructions carefuly
D．
report al the accidents to the teacher
(3)
When you are not sure how to use al apparatus, _________．
[ ]
A．
try them on your own
B．
read the rules carefuly
C．
ask your teacher for help
D．
put them back
(4)
It is clear that you can _________．
[ ]
A．
bring food into the lab
B．
enter the lab anytime
C．
smel chemicals as you like
D．
learn science directly in the lab
(5)
If you get chemicals on the clothing, you can find ways to solve it in the part _________．
People travel a lot with Bel Air because they know they will get what they want．They want to go quickly and safely across the land，across the sea or right across the world，and they know Bel Air will take them where they want to go and when they want to go．Bel Air flies all the newest and fastest planes to more towns and cities of the world than any other airline．
Do you want to go to Paris，Washington or Tokyo?Bel Air will take you there，at any time of the day or the night，right through the week．But Bel Air flies not only to the biggest cities，we also fly two or three times a week to towns and cities in the very centre of Asia，Africa and South America．
People fly with Bel Air because they know they will leave on time and arrive on time．
They know that they will receive the best food and watch the best films．Bel Air is second to none．
(1)
Bel Air is ________．
[ ]
A．
the name of a plane
B．
the name of an airline(航空公司)
C．
an air lab
D．
a radio program
(2)
Bel Air’s planes ________．
[ ]
A．
are fast，but not safe
B．
fly quickly，but not safe
C．
are safe，but not new
D．
fly fast and safely
(3)
The airline flies planes to cities like Paris ________．
[ ]
A．
day and night，through the week
B．
two or three times a week
C．
at any time of the day
D．
at any time of the night
(4)
“In the very centre of Asia” means “________”．
[ ]
A．
all over Asia
B．
around Asia
C．
the biggest city in Asia
D．
right in the middle of Asia
(5)
“Second to none” may mean “________”．
[ ]
A．
the second
B．
the last
C．
the best
D．
the worst
阅读理解
Suppose you work in a big company and find English very important for your job. Now you are looking for a place where you can improve your English, especially your spoken English．
Here are some advertisements about English language training from newspapers．You may find the information you need．
Global English Center
◆General English in all four skills：listening, speaking, reading and writing
Write or phone：Modern Language School, 675Park Road, 100056 Tel：67353019
The 21st Century English Training Center
◆We offer morning or afternoon classes, both of which last three months and a half at a cost of 800 yuan．
◆We also have a six-week TOEFL(托福)preparation class during winter and summer holidays．
◆Entrance exams：June 1and Dec．1
◆Only 15-minute walk from city center
Call 67801642 for more information．
The International House of English
◆Three /Six-month English courses for students at very low cost：60 yuan for 12 hours per week; convenient(方便的)class hours：9∶00-12∶00 a.m．and 2∶00-5∶00 p.m．
◆A four-month evening program for developing speaking skills(same cost as day classes)．
◆Best foreign teachers experienced in teaching English as a second foreign language．
◆Free sightseeing and social activities(活动)．
◆Very close to the Central Park．
For further information call 67432308．
(1)
You work from 9∶00 a.m．to 4∶30 p.m．every day．You should choose ________．
[ ]
A．
Global English Center and the International House．
B．
Global English Center and Modern Language School．
C．
Modern Language School and the 21st Century．
D．
The 21st Century and the International House．
(2)
The 21st Century is different from the other three schools in that ________．
[ ]
A．
its teaching quality is better
B．
it is nearest to the city center
C．
its courses are more advanced
D．
it requires an entrance examination
(3)
If you take the evening program at the International House, you will pay about ________．
[ ]
A．
60 yuan
B．
240 yuan
C．
720 yuan
D．
1,000 yuan
(4)
You will probably prefer to go to the International House because it ________．
[ ]
A．
offers free sightseeing and social activities
B．
has a special course in spoken English
C．
costs less than the other schools
D．
has foreign English teachers
阅读理解
One way that scientists learn about man is by studying animals．In this lab, the scientists are studying the relationship(关系)between diet(饮食)and health．They are studying the relationship between the amount(数量)of food the mice(老鼠)eat and their health．The mice are in three groups．All three groups are receiving the same healthy food．The first group is eating one cup of food each day, the second group is eating two cups, and the third group is eating three cups．
After three years, the healthiest group is the one that is only eating one cup of food each day．The mice in this group are a little thinner．But they are more active．Most of the day, they are running, playing with one another．Also, they are living longer．Mice usually live for two years．Most of the mice in this group are still alive after three years．
The second group of mice is healthy, too．They are active, but not as active as the thinner mice．They are only living about two years．
The last group of mice is receiving more food than than the other two groups．Most of the day, these mice are eating of sleeping．They are not very active．These mice are living longer than the scientists thought－about a year and a half．But they are not healthy．They are sick more often than the other two groups．
(1)
Each group of the mice is given ________ amount of food every day．
[ ]
A．
a different
B．
the same
C．
a small
D．
a large
(2)
The experiment(实验)lasted for at least ________ years．
[ ]
A．
one and a half
B．
two
C．
two and a half
D．
three
(3)
The underlined word“they”in the second paragraph refers to(指的是)________．
[ ]
A．
the scientists
B．
the mice in the first group
C．
all the mice
D．
the mice in the last group
(4)
The best title(标题)for the passage is ________．
[ ]
A．
Man and health
B．
Diet and animals
C．
Diet and health
D．
Animals and human beings
(5)
The result of the experiment mainly shows that ________．
[ ]
A．
eating less may bring longer life
B．
the mice eat more than the scientists thought
C．
the mice live longer than the scientists thought
D．
the more exercise you take, the healthier you will be
