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
2023-10-20
13
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] 【C4】
选项
答案
has reduced
解析
从该句话的since 1978可以得知,本题考查现在完成时的用法,故答案是has reduced。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3113149.html
相关试题推荐
(1)Prolongedsleepdeprivationincreasestheriskofsufferingfromastroke
(1)Prolongedsleepdeprivationincreasestheriskofsufferingfromastroke
(1)KnowingthatMrsMallardwassufferingfromahearttrouble,greatcare
(1)KnowingthatMrsMallardwassufferingfromahearttrouble,greatcare
(1)KnowingthatMrsMallardwassufferingfromahearttrouble,greatcare
Hehasbeenillwithastrangediseaselately,______I’veneverheardofbefore.
Hehasbeenillwithastrangediseaselately,______I’dneverheardofbefore.A
Polarbearsaresufferingina【C1】______(warm)worldthaneverbefore.Pol
Polarbearsaresufferingina【C1】______(warm)worldthaneverbefore.Pol
Polarbearsaresufferingina【C1】______(warm)worldthaneverbefore.Pol
随机试题
ARROGANCE:DEFER::A、contumeliousness:attackB、clarity:convinceC、fidelity:prote
PASSAGETHREE[br]WhyisthetasteoftheEnglishinthecultivationoflandan
Differentthingsusuallystandfordifferentfeelings.Red,forexample,is
关于ICMP协议,下面的论述中正确的是( )。A.通过ICMP可以找到与MAC
下列关于材料一中“没收他们多余的农具与好的田地,分给他们坏的”做法评述正确的足(
前牙运循环的作用是A.切割食物 B.穿刺食物 C.撕裂食物 D.压碎食物
儿童糖尿病患儿每日摄入的热量应按三餐分配,早、午、晚分别占( )A.2/5、2
A.不溶性固体药物制备软膏加入基质的方法B.水溶性药物制备软膏加入基质的方法C.
患者,男性,70岁。腰背部疼痛半年前来就诊,体检:肝肋下2cm,脾肋下3cm
麻醉前用药的种类有A.抗组胺药 B.镇痛药 C.催眠药 D.抗胆碱药
最新回复
(
0
)