ALL+ U4

Which of the following is the pizzly bear or grolar bear?

• 
• 
• 
• 

What is NOT the feature a grolar bear?

• a shorter face

• patches of brown fur

• big ears

• stronger teeth

What is the reason scientists believe the pizzly bear exist?

• hunters' hunting

• climate change

• a rare cross

• evolution

What is NOT the reason forced polar bears to move south?

• rising temperatures

• thin ice

• food source

• extinction

What is the way Nature find for polar bears?

• sharper claws

• cross bears

• stronger teeth

• more habits

Pizzly bears might be adapted to the new environment to ______ polar bears someday.

與....相較之下

檢查

documented

• 適應的

• 有紀錄的

• 繁殖的

• 嚴寒的

According to the passage, polar bears will be extincted someday.

• TRUE

• FALSE

• NOT SURE