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What Is Cancer?Cancer"的相关试题:
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What Is Cancer?
Cancer is actually a group of many related diseases that all have to do with cells.Cells
are the very small units that make up all________(1)things,including the human
body.There are billions of cells________(2)each person's body.
Cancer happens when cells that are not normal grow________(3)spread very
fast.Normal body cells grow and divide and know when to stop growing.Over time,they
also die._______(4)these normal cells,cancer cells just continue to grow and divide
out of control and don't die.Cancer cells usually group together to form tumors（肿瘤）.
A growing tumor becomes a lump of cancer cells_________(5)can destroy the
normal cells around the_________(6)and damage the body's healthy tissues.This
can make someone very _______(7).
Sometimes cancer cells break away from the original tumor and travel to other areas of
the________(8),where they keep growing and can go on to form new tumors.This
is how cancer__________(9).The spread of a tumor to a new place in the body is
__________(10)metastasis（转移）.
People with cancer may feel pretty sick at times一but can usually still do lots of
normal things._________(11)they are very sick,kids and teenagers with cancer
may still be able to go to school. They may be tired or bruise（出现青肿）easily, but they
__________( 1 2) sometimes go to camp , movies , and sleepover（在外过夜的）parties.
People with cancer still like the same things they did__________(13)they got sick.
Cancer in kids is rare一but today,many kids who do get cancer go on living normal
lives.The number of kids who beat cancer goes________(14)every year because of
new cancer treatments.So a lot of kids with cancer will some day drive cars,go to college,
have careers,and even get_________(15)and have families of their own.
_________(15)
A.fired
B.married
C.joined
D.upset
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What Is Anthrax（炭疽）?
There's been a lot of talk about anthrax on the news lately.Some people are worried
that anthrax may be connected to terrorist attacks or that terrorists may spread the germ that
_______(1)the disease.Federal officials and police are investigating this and taking
________(2)to protect us.
In the meantime,it's important not to panic over anthrax.The chances that you and
your family________(3)at risk are very tiny.One of the ways you can feel better is to
learn about anthrax.When you know what it is and________(4)you can get it,it
doesn't seem quite as scary.
So,what _______(5)is anthrax?
Here are the facts on anthrax:
Anthrax is a bacterial infection caused by a germ.Although it's most common in farm
_______(6),like sheep,cows,pigs,horses,and goats,there's a very small
chance that people can get it,too.
Anthrax spores（抱子）(a version of the germ in a protective shell that can live in the
soil for years)cause the disease.
People may get anthrax if they are exposed to anthrax_______(7).But here's
the important part:just being exposed to these spores doesn't mean that a person will get
________(8).
For a person to get sick,he would have to breathe in thousands of these spores all the
way into his________(9).Or he'd have to eat meat contaminated with anthrax or
handle_______(10)that has anthrax spores.This may sound scary,but even when
a person comes______(11)contact with the spores,it's unlikely that he'll get sick.
_________(12)the bacteria do not get into the skin,digestive tract,or lung,the
disease won't develop.
Anthrax is not spread from person to person the way the flu can spread from family
member to_________(13)member or classmate to classmate.
Anthrax can almost always be successfully treated with antibiotics（抗生素）.
Anthrax is very rare.Until recently,anthrax wasn't even talked about because it was
so rare一and it still________(14)!Even with all of the anthrax cases you are hearing
about right now,a person's chances of getting anthrax are about the______(15)as
they were before you heard about anthrax on the news一very,very low.
_________(13)
A.family
B.other
C.another
D.community
