首页
登录
职称英语
Polar bears are suffering in a【C1】________(warm)world than ever before.
Polar bears are suffering in a【C1】________(warm)world than ever before.
游客
2024-08-19
19
管理
问题
Polar bears are suffering in a【C1】________(warm)world than ever before.
Polar bears live in environments too cold for most animals. During much of the year. 【C2】________live and hunt on the frozen Arctic sea ice. Nature has prepared them for the cold conditions. But nothing has prepared the bears for the danger threatening the only home they know.
The polar bears ’ world is【C3】m________. Studies show that the polar ice【C4】________(reduce) by 9. 8% every 10 years since 1978. Now about 20,000 to 25,000 polar bears live in the Arctic. Polar bears 【C5】d________on the sea ice for their survival.
"The sea ice is more than just this platform that the bears walk over. " says Andrew Durocher, a scientist【C6】________ studies North American polar bear populations." 【C7】________it, they can’ t exist. "
Some melting and refreezing of the polar ice is natural. 【C8】________, in a warmer world, these cycles speed up, and bears have less time 【C9】________(hunt). Normally. they have three months in the spring when they gain more weight. The extra fat is used later, 【C10】________the bears are not actively hunting. [br] 【C2】
选项
答案
they
解析
该空格处考查主语,根据上文,主语指的是polar bears,故用they指代。
转载请注明原文地址:https://tihaiku.com/zcyy/3726729.html
相关试题推荐
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
随机试题
FoulShotsNowandthenIcanstillseetheirface
ExperiencedobserversonAmericancampuseshavebeguntonoticeanewgroup
可燃物与氧化剂作用发生的放热反应,通常伴有()现象,称为燃烧。A.火焰、
克罗恩病与肠结核最重要的鉴别在于A.有无发热、腹痛;腹泻乏力 B.OT试验是否
下列关于中学“腐乳的制作”实验,叙述正确的是()。A.加盐主要是为了调节水分.利
有溃疡病者应慎用A.利血平 B.普萘洛尔 C.氢氯噻嗪 D.氯丙嗪 E.
212)发信机主要由调制电路、振荡电路、放大电路、高频滤波电路等构成。()
帮助建设单位优化设计或从使用维护等角度上对设计方案进行调整,使项目在总体上更能满
下列属于学校教育制度内容的是( )A.修业年限 B.教学大纲 C.课程
土壤中某污染物的自然本底值是0.5mg/kg,其卫生标准为1.5mg/kg,那么
最新回复
(
0
)