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1. 阅读理解
Scientists in Argentina have
created the world's first cow with two human genes that will enable it to
produce human-like milk.
Genetic engineering was used to
introduce the "mothers' milk" genes into the animal before birth,
according to the National Institute of Agribusiness Technology in Buenos Aires.
As an adult, the cloned cow
"will produce milk that is similar to that of humans", which will
prove "a development of great importance for the nutrition of infants(婴儿)", said the
institute. "The cloned cow, named Rosita ISA, is the first in the world
with two human genes that contain the proteins present in human milk,"
said the statement.
In April, scientists in China
published details of research showing that they had created dairy cows which
produced milk containing proteins found in human breast milk. But the Argentine
team said the Chinese only introduced one human gene, while their research
involved two, meaning the milk will more
closely resemble that of humans.
"Our goal was to raise the
nutrition value of cows' milk by adding two human genes, which do good to the
immune system of infants," said Adrian Mutto, from the National University
of General San Martín which worked with the institute.
Cristina Kirchner, President of
Argentina, said that the scientific institute made all Argentines proud. She
also said that she had refused the "honour" of having the cow named
after her. "They came to tell me that the name is Cristina, but what woman
would like to have a cow named after her? It appeared to me to be more proper
to call it Rosita."
（1）What is the passage mainly about?
A . The importance of genetic engineering.
B . Ways to improve mothers' milk.
C . Advanced agricultural technology in Argentina.
D . A cloned cow to produce human-like milk.
（2）Which of the following can best replace "more closely resemble" in Para. 4?
A . Have more varieties than.
B . Have more nutrition than.
C . Be more similar to.
D . Be more different from.
（3）What can be inferred from Cristina Kirchner's statements?
A . She was quite satisfied with the research done by the institute.
B . She considered it an honour to name the special cow.
C . She felt it improper to be named after the cow.
D . She refused to give a name to the cow out of self-respect.
