更多"[不定项选择题]共用题干
What Is"的相关试题:
[不定项选择题]共用题干
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.
_________(15)
A.case
B.same
C.rate
D.score
[不定项选择题]共用题干
What Can Gene Technology Bring
Among all the fast growing science and technology,the research of human genes,or biological engineering
as people call it,is drawing more and more attention now,Sometimes it is a hot topic discussed by people.
The greatest thing that gene technology can do is to cure some serious diseases.Doctors at present can
almost do nothing with them.Cancer and heart disease are the examples.______________(46)
And to date,doctors have not found an effective way to cure them.But if the gene technology is applied,
these two diseases can be cured completely,bringing happiness and more living days to the patients.
_____________(47)
Gene technology can help people to give birth to more healthy and clever children.Some families,with
the English imperial family being a good example , have hereditary（遗传的）diseases._____________ (48 ) This
is a great trouble for these families.In the past,doctors could do nothing about the hereditary diseases.But
gene technology can solve this problem perfectly.______________(49)
Some people are worrying that the gene research can be used to manufacture human beings in large
quantities.In the past few years,scientists have succeeded in cloning a sheep,so these people predict that
human babies would soon be cloned._____________(50)Of course,the governments must take care to control
gene technology.
_________（50）
A.Every year,millions of people are murdered by these two diseases.
B.But I believe cloned babies will not come out in large quantities,for most couples in the world can havebabies in very normal way.
C.This means their children will for sure have the family disease.
D.The scientists just need to find the wrong gene and correct it,and a healthy child will be born.
E.In addition,the great amount of money people spend on curing their diseases can be saved,and it benefitst he economy as well.
F.Clone technology is an achievement in science.
