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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.
答案
更多“What can scientists do now？ A．Prescreen a baby's sex.B．Screen babies for desir”相关的问题
第1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.
第2题
Now,scientists still don't really know______．
A．whether animals can think about the past and the future
B．how children learn and what happens when we speak
C．why animals can understand some things more quickly than human beings
D．at what age,a child can speak his language very well
第3题
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.
第4题
What contribution can industrial scientists make when they come to teach in a university？
A．Increase its graduates' competitiveness in the job market.
B．Develop its students' potential in research.
C．Help it to obtain financial support from industry.
D．Gear its research towards practical applications.
第5题
What conclusion can be drawn from the scientists observation？
A．Insects have developed some sort of resistance to man-made poisons.
B．Insects have been eating plants for about 250 million years.
C．Farmers sometimes use a combination of two or three insecticides at once.
D．New insects mate with insects which survived from a certain kind of insecticide.
第6题
Now, scientists still don't really know______．
A．whether animals can think about the past and the future
B．how children learn and what happens when we speak
C．why animals can understand some things more quickly than human beings
D．at what age, a child can speak his language very well
第7题
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
第8题
A．It is good for people.
B．It actually does more harm than good.
C．It can help people keep healthy.
D．It can give them more energy.
第9题
What is the main idea of the passage？
A．Mammoths can talk with scientists nowadays.
B．Scientists completed mammoth clone last week.
C．Scientists made speculation of cloning mammoths.
D．We should protect mammoths for they will extinct soon.
第10题
Some scientists supported the statement that ______.
A．people's dreams exactly reflected what they experienced
B．people already know the direct cause of dreams
C．all of people's wishes can be reflected in their dreams
D．we may know people's wishes from the content of the dreams
