更多"The reason why birds don't get lost"的相关试题:
[单项选择]The reason why birds don't get lost on long flights ______.
A. have been known to scientists for many years
B. have only recently been discovered
C. are known by us
D. will probably remain a mystery
[单项选择]—I don't feel like going out. Why don't we watch TV at home — ______ You promised to take me out for dinner.
A. Come on!
B. Really
C. Not at all.
D. Why not
[单项选择]Why don't some people like canned and frozen vegetables
[单项选择]Why don't the speakers have any food to eat
A. The rain ruined the food.
B. The restaurant was closed.
C. Neither of them brought any food.
D. Someone took their foo
[单项选择]Why don't all ice crystals in clouds immediately fall to Earth
A. They are balanced by the pressure of rain droplets.
B. The effect of gravity at high altitude is random.
C. They are kept in the sky by air current.
D. They are moving about with fixed direction.
[单项选择]Why don't the language camp directors want to admit reluctant participants