中国大学MOOC: 16.Bats ______ only at night.
中国大学MOOC: 16.Bats ______ only at night.
—Do you have ping－pong bats? —________， and I have baseball bats, too.
—Do you have ping－pong bats? —________， and I have baseball bats, too.
Why is social interaction between bats so difficult to study according to Dr. Kate Barlow A: Because bats are sneaky. B: Because bats have diurnal habits. C: Because bats are small and have nightly habits. D: Because bats can listen out for competitors’ feeding buzzes.
Why is social interaction between bats so difficult to study according to Dr. Kate Barlow A: Because bats are sneaky. B: Because bats have diurnal habits. C: Because bats are small and have nightly habits. D: Because bats can listen out for competitors’ feeding buzzes.
Which is true referring to Mexican freetail bats? A: The Mexican freetail bats under the bridge eat a lot of beneficial insects every day. B: The Mexican freetail bats live under the Congress Avenue Bridge all the time. C: The Mexican freetail bats are easy to infect rabies to people. D: Only when the Mexican freetail bats are in danger can they bite people.
Which is true referring to Mexican freetail bats? A: The Mexican freetail bats under the bridge eat a lot of beneficial insects every day. B: The Mexican freetail bats live under the Congress Avenue Bridge all the time. C: The Mexican freetail bats are easy to infect rabies to people. D: Only when the Mexican freetail bats are in danger can they bite people.
16.Bats ______ only at night. A: come out B: come off C: come on D: come in
16.Bats ______ only at night. A: come out B: come off C: come on D: come in
Bats communicate___each other by ultrasonicmessages.
Bats communicate___each other by ultrasonicmessages.
How can you prevent bats from entering your house A: By blocking every opening B: By planting bushes near the doors C: By training your dog to hunt bats D: By using poison to kill the bats
How can you prevent bats from entering your house A: By blocking every opening B: By planting bushes near the doors C: By training your dog to hunt bats D: By using poison to kill the bats
What might be the cause of the bats' collisions?（ ）
What might be the cause of the bats' collisions?（ ）
Bats go out _________(觅食）at night.
Bats go out _________(觅食）at night.
Bats can build an infrared ( ) to help them navigate.
Bats can build an infrared ( ) to help them navigate.