Which of the following about memory testing of old mice is true?
A: A bright light make it much easier for mice to find their ways to escape the maze.
B: All mice being tested have been injected with young human plasma.
C: There must be some factors in young human plasma which can help the old brain.
D: Old blood factors will not influence the young mice.
A: A bright light make it much easier for mice to find their ways to escape the maze.
B: All mice being tested have been injected with young human plasma.
C: There must be some factors in young human plasma which can help the old brain.
D: Old blood factors will not influence the young mice.
举一反三
- 【单选题】What is that main difference between young people and old people? A. Old people think of the young as “a problem” B. Old people create this “problem” of age difference C. Old people have a past; young people have a future D. Old people and young people forget they are all human beings
- Which of the following is NOT a secret to staying young, being happy and achieving success mentioned by the old woman?
- The old parents have been living with the young couple and their children for some years. ( )
- Questions 22 to 25 are based on the passage you have just heard. 22. A: How mice imitate human behavior a space. B: How low gravity affects the human body. C: How mice interact in a new environment. D: How animals deal with lack of gravity.
- what is the characteristics of the germ-free mice ？ A: GF mice require 30% more calories than SPF mice B: GF mice require 30% less calories than SPF mice C: GF mice require almost the same calories than SPF mice D: No definite phenotype.