| Bear details | |
 International Polar Bear Day is Feb 27.Climate change harms polar bears because they rely on sea ice to hunt，breed（繁殖）and travel.Every decade，the arctic sea ice has declined（减少）at a rate of 13%.Of the 19 subpopulations（亚群），4 are in decline.SOURCES：WWF ARCTIC.WWF.POLAR BEARS INTERNATIONAL PHOTOS BY TUCHONG.GRAPHICS BY LIPING |
 Over 2/3 of the world's polar bears are found in Canada.Polar bears can walk more than 3，000 km each month .An adult male can weigh over 600 kg.▼▼ How can we help polar bears？ Reduce you carbon footprint.It helps to reduce climate change's effect on polar bears.Support action groups that protect polar bears.Learn more about the difficult situation of polar bears. Support eco-friendly tourism to polar regions to see polar bears. |
D
D
A．hunt
B．breed
C．travel
D．weigh
（2）Where can we most probably find polar bears？
B
B
A．In China.
B．In Canada.
C．In Egypt.
D．In Brazil.
（3）Which of the following is true according to the text？
D
D
A．The arctic sea ice has declined at a rate of 19% each decade.
B．Polar bears can walk more than 300 km each month.
C．An adult male polar bear can weigh less than 600 kg.
D．4 of the 19 subpopulations of polar bears are in decline.
（4）Which ways are mentioned to help polar bears？
C
C
①add carbon footprint
②support action groups that protect polar bears
③learn the difficult situation of polar bears
④support eco-friendly tourism to polar regions
A．①③④
B．①②④
C．②③④
D．①②③
（5）Where is the text probably from？
B
B
A．A science report.
B．A nature website.
C．A travel guidebook.
D．A movie poster.
【答案】D；B；D；C；B
【解答】
【点评】
声明：本试题解析著作权属菁优网所有，未经书面同意，不得复制发布。
发布：2024/5/27 14:0:0组卷：2引用：1难度：0.6
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