46.___ A: To standardize daylight saving time. B: To establish year-round daylight saving time. C: To abolish daylight saving time. D: To shorten daylight saving time.

Oldpeople,whoriskvitaminDdeficiency,shouldspendevenlongerexposedto（10）daylight.

Questions 11-13 are based on the following talk about the history of daylight saving time. According to the speaker, what was the effect of the Uniform Act of 1966 A: To standardize daylight saving time. B: To establish year-round daylight saving time. C: To abolish daylight saving time. D: To shorten daylight saving time.

7. ____winterthere are only six hours of daylight.

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.

中国大学MOOC: I had dozed _______ and on until daylight.

7. Daylight was scarcely visible through the ________window-panes.

I had dozed _______ and on until daylight. A: off B: out C: in D: away

The bank is reported in the local news ( ) in broad daylight yesterday.

Which of the country does not participate the Daylight Saving Time?