单选题
公共英语五级
2011-08-19
Which of the following is true according to the text?
A．The principle of gene therapy is applicable to that of clonin
B．The isolation of stem cells is too difficult to be feasibl
C．It is reasonable for all body instructions to be activate
D．Cloned animals will eventually take control of the worl
参考答案
A
答案解析
文章后面指出其实基因治疗的原理和克隆的原理两者完全是可以通用的，具体的解题点在于文章的第五段第一句话“the same applies to cloning”。故应选A。
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2
根据短文，回答题。
From this passage, we can learn that__________ 。
A．a robotic caterpillar can crawl by a pair of rubber rods
B．when a caterpillar moves, the magnetic field moves backwards along it
C．the environment couldn't influence a robotic caterpillar's guts, which are wrapped in a capsule
D．crawling is very stable and efficient, and when it moves, only a few elements are needed
From this passage, we can learn that__________ 。
A．a robotic caterpillar can crawl by a pair of rubber rods
B．when a caterpillar moves, the magnetic field moves backwards along it
C．the environment couldn't influence a robotic caterpillar's guts, which are wrapped in a capsule
D．crawling is very stable and efficient, and when it moves, only a few elements are needed
A．A robotic caterpillar is made from a series of rubber capsules tilled with a magnetic flui
B．Iron particles, water, and a detergent-like surfactant form a magnetic flui
C．Each capsule filled with a magnetic fluid is linked to the next by a pair of rubber rod
D．In order to keep stable condition, the caterpillar' s guts are wrapped in a clear, flexible polymer tub