Parents in the Polar Express can hear the sound of the sleighbell, too.()
Parents in the Polar Express can hear the sound of the sleighbell, too.()
Parents in the Polar Express can hear the sound of the sleighbell, too.()
If you visit Alaska, you can NOT see _____.
A.Northern Polar Light
B.glaciers
C.Surfers
D.caribou
A.The Polar Express
B.Love Actually
C.Pocahontas
D.Tarzan
What s the mission of Polar Bears International?
A.Saving energy.
B.Conducting scientific research.
C.Seeking international cooperation.
D.Saving polar bears and their home.
According to the passage, which of the following statements is TRUE?
A.Starving polar bears are increasingly coming into villages, where they may be killed either for food or safety.
B.Polar bears can spend their entire lives on land if the sea ice melts completely.
C.Two-thirds of the world"s polar bears may disappear by 2050 as global warming continues.
D.The growing distance between ice packs is not a problem for polar bears, because they are excellent swimmers.
A.tough
B.hard
C.rough
D.brave
A.Beauty and Beast
B.Charlotte's Web
C.Polar Express
D.Monster House
It can be inferred from the passage that______.
A.there is more water vapor in the tropics than in cold polar regions
B.there is more water vapor in cold polar region than in the tropics
C.there are more rains in the tropics than in polar regions because there is less vapor
D.the amount of water vapor in the air depends on how often it rains
Where do polar bears usually hunt seals?
A.On land.
B.In open water.
C.In openings in the sea ice.
D.At the bottom of the sea.
A.they do not land there
B.there are no clouds at all
C.they can cross the ice with special equipment
D.it is very cold