下列关于具体行政行为的特征说法错误的是()。

Which of the following can be learned from Paragraph 2 about the research on tree genes？

A．The research methods are the same as the analysis of human genes.

B．The findings are expected to be as fruitful as the analysis of human genes.

C．It will take as much time and effort as the analysis of human genes.

D．The research has been mainly concentrated on the genes of young trees.

What can we learn about the effects of acid rain on terrestrial plants？

A. Acid rain destroys the coating on tree leaves and fruits.

B. Acid rain makes tree leaves and fruits poisonous.

C. They are as clearly understood as the acid rain's effects on lakes.

D. Acid rain makes no difference on terrestrial plats.

What can we learn about the egg donation？

A．It will leave a life-threatening disease to unhealthy donors.

B．It is extremely important to the creation of human embryo.

C．It will make the donors feel ashamed when they donate eggs.

D．Its importance to the stem cell research lies on its rareness.

What is NOT tree about genes in the process of genetic modification？

A．Genes interact with one another.

B．Normal genes may be damaged in the process.

C．The transferred gene may have different functions in different organisms.

D．The transferred trait controlled by one gene can be transferred endlessly.

What can we learn from the Paragraph 3？

A．The genes of Alzheimer's disease have been decoded after the decoding of human genome.

B．Brain diseases usually are the outcome of interaction of complicated groups of genes.

C．The scientists' findings on genes have quickly lead to understanding of mental diseases.

D．the complexity had stopped the researchers from come up with treatment to mental diseases.

What can we know about the present epidemic ---swine flu？

A) The genes of the flu virus come from pigs.

B) It will soon spread and cause a pandemic.

C) There has been further change in the genes of the viruses.

D) It is similar to the influenza pandemic of 1918 to 1919.

What can we learn about the climate in Vancouver？

Vancouver is attractive for its ______ climate.

What can we learn about Norman Rockwell from the conversation？

A．He was a prolific painter.

B．He was an eccentric person.

C．He was an avid reader.

D．He was a good teacher.

What can we learn about Sue？

A．She is Mrs. Johnson's sister.

B．She is the person to look after their children.

C．She is the speakers' guest.

What can we learn about Miss Jackson？

A．She is a serious lady.

B．She is a strict teacher.

C．She is a narrow-minded lady.

D．She is a poor but kind teacher.