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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.
答案
更多“What can scientists do now？ 查看材料A.Prescreen a baby"”相关的问题
第1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2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3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4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5题
What is most remarkable about the proposal made by the two scientists？
A．It is given a special name.
B．No law of physics is violated.
C．It is based on existing technology.
D．CO2 can be converted into fuel.
第6题
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.
第7题
What can be learned or inferred from this passage is that __________.
A.the disappearances in Bermuda have something to do with people from space
B.people have not determined the causes of these disappearances
C.the disappearances can only be explained by scientists
D.the disappearances are caused by some unnatural powers
第8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9题
What can be concluded from the second and third paragraphs？
A．A number of scientists found genes in the 18th and 19th centuries.
B．Scientific discoveries were made one after another in the 18th and 19th centuries.
C．Many scientists succeeded in finding out how the features of living things were passed on to the next generation in the 18th and 19th centuries.
D．It took a long time for scientists to find out why members of the same family look like each other.
第10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.
