首页
登录
职称英语
Polar bears are suffering in a 【C1】______(warm)world than ever before. Pol
Polar bears are suffering in a 【C1】______(warm)world than ever before. Pol
游客
2024-08-20
51
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] 【C6】
选项
答案
who
解析
本题考查定语从句。先行词时scientist,在定语从句中作主语,故答案是who。
转载请注明原文地址:https://tihaiku.com/zcyy/3727721.html
相关试题推荐
Polarbearsaresufferingina【C1】______(warm)worldthaneverbefore.Pol
Polarbearsaresufferingina【C1】______(warm)worldthaneverbefore.Pol
Polarbearsaresufferingina【C1】______(warm)worldthaneverbefore.Pol
Polarbearsaresufferingina【C1】______(warm)worldthaneverbefore.Pol
Polarbearsaresufferingina【C1】______(warm)worldthaneverbefore.Pol
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
Polarbearsaresufferingina【C1】________(warm)worldthaneverbefore.
随机试题
Burnoutcomeswhentherealityoflifeislessthanourexpectations.Andit
新时代党的建设总要求强调要把()贯穿其中。A.思想建设 B.组织建设 C.
环境污染物通过在环境介质中的迁移和转化,对人的危害A.都降低 B.都增加 C
沉淀反应中的钩状效应的原因是A.pH浓度过高B.pH浓度过低C.抗体过量D.抗原
全麻术后预防病人发生误吸的有效措施是A:用止吐药 B:用阿托品 C:留置鼻饲
“医师的诊断水平和医术”的效标属于( )绩效考评效标。A.行为性 B.特征性
简述现代企业人力资源管理各个历史发展阶段的特点。
外部效度的影响因素有( )A.实验环境的人为性 B.无预备实验 C.测量工
处方的正文可包括A.自然项目 B.用法用量 C.医师签字 D.药品规格、数
高压喷射注浆中三管法喷射介质有()。A.高压水流 B.压缩空气 C.
最新回复
(
0
)