单项选择题

A．They found ways to speed up the reproduction of bald eagles.
B．They developed new types of feed for baby bald eagles.
C．They explored new ways to hatch baby bald eagles.
D．They brought in bald eagles from Canada.
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following can best describe the author’’s attitude towards the technological advances” we achieved in these years
A．Positive.
B．Negative.
C．Objective.
D．Defensive.
单项选择题
A．It marked the beginning of a new era in animal science.B．Dolly, a clone, was able to breed normally and produce healthy lambs.C．Cloned animals can be used to treat human diseases.D．A cloned animal can lead a normal life.
A．It marked the beginning of a new era in animal science.
B．Dolly, a clone, was able to breed normally and produce healthy lambs.
C．Cloned animals can be used to treat human diseases.
D．A cloned animal can lead a normal life.
相关试题