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Unit 2
单元主题语篇训练
v ndngered mimls from此
I,阅读理解
A
A.To save endangered animals from dying out.
B.To make efforts to clone the endangered
China is desperately trying to clone the animal and
pandas.
save the endangered species.That's a move similar
C.To collect DNA of endangered animals to study.
to what a Texas A&.M University researchers have
D.To transfer the nuclear of one animal to
been undertaking for the past five years in a project
another.
called“Noah'sArk"
2
What is the main problem in cloning pandas
Noah's Ark is aimed at collecting eggs.:
according to Professor Kraemer?
embryos(胚胎),semen and DNA of endangered:
A.The amount of raised money.
animals and storing them in liquid nitrogen.If:
B.The shortage of host animals.
certain species should become extinct.Dr.Duane
C.The lack of available panda eggs.
Kraemer,a professor in Texas A&.M's College of D.The skill of qualified researchers.
Veterinary Medicine,says there would be enough of:3.What can be a suitable title for the text?
the basic building blocks to reintroduce the species in:
A.China's Success in Pandas Cloning
the future.
:
B.The First Cloned Panda in the World
It is estimated that as many as 2.000 species of
C.Exploring the Possibility to Clone Pandas
mammals,birds and reptiles will become extinct in
D.China-the Native Place of Pandas Forever
over 100 years.The panda,native only to China,is:4.What can we learn from the passage?
in danger of becoming extinct in the next 25 years.
A.Scientists try to implant a panda's egg into a
This week,Chinese scientists said they grew an
rabbit.
embryo by introducing cells from a dead female:
B.Kraemer and his team have succeeded in cloning
panda into the egg cells of a Japanese white rabbit.
a dog.
They are now trying to implant the embryo into a
C.Kraemer will work with Chinese scientists in
host animal.The entire procedure could take from
clone researches.
three to five years to complete.
D.About two thousand species will probably die
“The nucle