During daylight hours, birds ______.
A: wheel back and forth
B: follow the stars in their flights
C: use sun for guidance
D: are quite likely to get lost
A: wheel back and forth
B: follow the stars in their flights
C: use sun for guidance
D: are quite likely to get lost
举一反三
- 案例分析题 During daylight hours, birds ______. A: wheel back and forth B: follow the stars in their flights C: use sun for guidance D: are quite likely to get lost
- The seasonal significance of the winter solstice is in the reversal of the gradual lengthening of nights and shortening hours of daylight during the day.（ ）
- Why do white camp-making bats need protection from the sun’s rays (). A: They are active during daylight hours B: Their heads are exposed to sunlight while they sleep C: They have only partially adapted to their tropical environment D: Their wings are easily damaged by ultraviolet radiation
- Animals may use anything fromlandmarks, the stars, the moon and the sun to help remember where they are.(landmarks)
- How can he ______ without money for food during the journey A: get together B: get along C: get back D: get down