Polar bears can’t___for long on land.
A: survive
B: rehearse
C: swim
D: exercise
A: survive
B: rehearse
C: swim
D: exercise
A
举一反三
- As is told about bears in the passage, we know that (). A: it is easy for bears to find enough food if they can climb trees. B: a bear can long remember where it has found food. C: all except polar bears are able to climb trees to catch their prey. D: all except polar bears and adult brown bears feed on small animals.
- By saying "Spring is usually prime food time for 1,200 polar bears" ( Line 1, Para. 1 ), the author means that ______. A: spring is usually a good time for polar bears to carry out their mating rituals B: the polar bears usually eat a lot in the spring C: spring is generally a good time to hunt polar bears D: polar bears usually hibernate in the spring
- What can we learn from the first paragraph（） A: A dolphin is a special kind of fish. B: Dolphins can"t swim very quickly. C: Dolphins can live only in the sea. D: Dolphins produce their babies on land.
- Where can I find polar bears? 句中划线单词的正确意思是_____。
- Due to global warming, thefor polar bears is shrinking, causing the number of polar bears to keep decreasing. A: habit B: habitat C: apparatus D: habitant
内容
- 0
How is the future of polar bears?
- 1
She ______ swim now, but she ______ swim one year ago. A: can; could B: could; could C: could; can D: can; couldn't
- 2
Where can I find polar bears? 句中划线单词的正确意思是_____。 A: 蜥蜴 B: 狐狸 C: 北极熊 D: 豹
- 3
Most remains of animals and plants on land can not survive because of （）. A: bad weather B: sun-ray C: floods D: decay
- 4
Polar bears might ____ occasion attack humans. A: for B: over C: on D: to