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更多“What do scientists hope to do …”相关的问题
What can scientists do now？ 查看材料
A.Prescreen a baby"s sex.
B.Screen babies for desirable attributes.
C.Insert genes that parents want.
D.Craft genes in a lab.
What do scientists think causes dreams？
A．Sleep.
B．Scientists have not found the reason up to now.
C．REM sleep.
D．It is not mentioned in the article, but scientists have known it.
What can scientists do now？
A．Prescreen a baby's sex.
B．Screen babies for desirable attributes.
C．Insert genes that parents want.
D．Craft genes in a lab.
What do we learn about scientists in earlier times？
A．They claimed to know nothing about nature.
B．They believed in results from scientific observation.
C．They paid much attention to the problems they didn't understand.
D．They invented false theories to explain things they didn't understand.
What caused the doctors and scientists to call for more attention to young peoples death？
A．The death rate is too high to be neglected.
B．Governments pay little attention to the issue.
C．They want to win the public"s praise
D．There is little figure for them to do research.
The passage says that until recently scientists disagreed with the idea ______.
A．that there are mysterious forces in the universe
B．that man cannot discover what forces "really" are
C．that there are serf-evident principles
D．that we can discover why things behave as they do
What attitude do ethical commentators take towards experimentation with human cloning？
A．hey believe that knowledge is more important than anything else.
B．The advised scientists to give up cloning.
C．They are more concerned with the moral features of science.
D．They support the new technology for its usefulness.
根据以下资料，回答{TSE}题。
{TS}What do scientists claim to have found about Saturn？
A. Water-based life on it．
B. Methane-based life on its biggest moon．
C. A new moon moving around it．
D. Earthlike life on its biggest moon．
According to the passage, what can scientists do now with the genetic testing technology？
A．Prescreen a baby's sex.
B．Screen babies for desirable attributes.
C．Insert genes parents want.
D．Craft genes in a lab.
