1.

阅读下列短文，从每题所给的四个选项（A，B，C和D）中，选出最佳选项。

                                          Great fathers in the animal world

                     Hardhead catfish

                     Although the father hardhead catfish doesn't get pregnant(怀孕的) himself，he does put up to 48 of his fertilized eggs(受精卵) in his mouth and carries them with him for 60 days.This means he can't eat until the eggs hatch(孵化)．It can take two months or longer，meaning that the dads have to live off their own body fat for that long.

                     Emperor penguin

                     The emperor penguin lives in the coldest place on Earth.After the mother penguin lays her egg，it's the father's job to keep it warm.The father balances the egg on his feet and often stays close to other fathers for warmth until their chicks hatch.He stays like this for months without a meal.Only after the mother returns does the father get to head to sea for a good meal.

                     Namaqua sandgrouse

                     Namaqua sandgrouse live in Africa's southern deserts (沙漠)．Since the young chicks cannot make it to water，the dad has to bring it to them，flying up to 50 miles a day to the nearest watering hole.He puts his b o dy in water every morning and his feathers (羽毛) take in the water.He then returns and the chicks can drink the water straight from his feathers.

                     Greater hornbill owl

                     Most mother birds are smaller than the fathers.Well，for greater hornbill owls，this isn't true.Mothers are the ones who guard their “houses” after they're built.This leaves the father to spend all his time feeding three to five hungry mouths，one of which may be larger than him.He can sometimes spend the entire night catching small animals to feed his family without eating something himself.

1. （1） What do father hardhead catfish and father emperor penguins have in common?
   

   A . They hatch the eggs. B . They stay close to other fathers. C . They put the eggs in their mouths. D . They feed their babies with their body fat.
3. （2） Father Namaqua sandgrouse are special in the way ______.
   

   A . they build their “houses” B . they feed their chicks C . they seek water D . they fly
5. （3） What's the duty of father greater hornbill owls according to the text?
   

   A . They clean their houses. B . They build their houses. C . They feed their families. D . They protect their families.
7. （4） All the following fathers spend a period of time without meals EXCEPT ______.
   

   A . hardhead catfish B . emperor penguins C . Namaqua sandgrouse D . greater hornbill owls