Why did one scientist expose birds to artificial daylight（）
A: To test the relationship between daylight and a disease of the glands common to birds.
B: To test the relationship between daylight and migration.
C: To test the relationship between migration and temperature.
D: To test the relationship between daylight and changes in the season.
A: To test the relationship between daylight and a disease of the glands common to birds.
B: To test the relationship between daylight and migration.
C: To test the relationship between migration and temperature.
D: To test the relationship between daylight and changes in the season.
举一反三
- According to the study, is there any relationship between learning-style and test performance? A: Yes B: No
- According to the research, is there any relationship between learning-style and test performance? A: Yes B: No
- A consumption function shows a A: negative (inverse) relationship between consumption expenditure and saving. B: positive (direct) relationship between consumption expenditure and price level. C: negative (inverse) relationship between consumption expenditure and disposable income. D: positive (direct) relationship between consumption expenditure and disposable income.
- The absorption curve is ( ). A: The curve of the relationship between the concentration of light-absorbing substance and absorbance. B: The curve of the relationship between the concentration of light-absorbing substance and transmittance. C: The curve of the relationship between the wavelength of incident light and the thickness of light-absorbing substance solution. D: The curve of the relationship between the wavelength of incident light and the absorbance of a light-absorbing substance.
- Lexicologically,reference is the relationship between ______ and the _______.