13.The word “pique”(Para.2)probably means“____________.”

• A、

  express

  
  

• B、

  arouse

  
  

• C、

  expand

  
  

• D、

  protect

  
  

A.The bands contained a name and address.

B.Birds use the earth's magneticfield to navigate too.

C.A map and a compass are often helpful for long trips.

D.They fly thousands of miles from one home to another.

E.They learn the route that the older geese have traveled before. 

F.They have answered many questions about how birds navigate.

8.Koalas feed chiefly on tree leaves.

• A、

  TRUE

  
  

• B、

  FALSE

  
  

• C、

  Not Given