单项选择题

According to Professor Kraemer, the major problem in cloning pandas might be ______.

A．lack of host animals.
B．lack of available panda eggs.
C．lack of funds.
D．lack of qualified researchers.
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单项选择题
The aim of Noah's Ark Project is to ______.
A．try to clone pandas
B．undergo some related procedures
C．introduce cells from a dead female panda into the egg cells of a Japanese white rabbit
D．save endangered animals from extinction
单项选择题
The author points out at the beginning that ______.
A．every child in hospital is entitled to receive education
B．not enough is known about hospital teaching
C．hospital teaching is of unknown quality
D．the special children's hospitals are worst off
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