首页
登录
职称英语
PASSAGE ONE [br] Why hasn’t the fur-seal population increased?Because of overfis
PASSAGE ONE [br] Why hasn’t the fur-seal population increased?Because of overfis
游客
2023-10-31
59
管理
问题
PASSAGE ONE [br] Why hasn’t the fur-seal population increased?
选项
答案
Because of overfishing and an ailing ecosystem.
解析
第4段以海狗、海狮和海鸟的数量说明本段第2句提到的“从食物链上较高的层次可以看到过渡捕捞和病态的生态环境的迹象”,这就表明,过度捕捞和病态的生态环境是导致海狗数量上不去的原因。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3145155.html
相关试题推荐
Ourjourneywasslowbecausethetrainstopped______atdifferentvillages.A、un
Muchas______,Icouldn’taccompanyhimtotheconcertbecauseIsimplydidn’t
Inordertocontrolthepopulation,Chinahasbeenonthepolicyofbirthco
Manyremarkablepeopledealwithdepressionandanxietyallthetimebecausethe
He______havebeennervousbecausehedidn’tgostraightin.A、oughttoB、mustC
Itisbecauseofariseinairfares_____they’vesurchargedus10%onthepric
Themanisveryangrybecausehisfriendborrowedhiscarbehindhisback.Theu
Thelocalslikesellingthingstotouristsbecausethetouristsareso______.A
I’dratheryou______bytrainbecausetheweatherforecastsaidtherewouldbe
Ourjourneywasslowbecausethetrainstopped______atdifferentvillages.A、un
随机试题
Undergroundticketsareavailableatallundergroundstations.Ticketsprice
[originaltext]Foxesandfarmershavenevergotonwell.Thesesmalldog-lik
[originaltext]W:Ihavereallyamazingnews.Ijustgotatextmessagefrommy
债务负担率超过()时,会影响客户家庭的生活品质。A.25% B.40%
46岁。因急性胃穿孔合并腹膜炎而行手术治疗,术中血压下降至零,经补液输血后血压回
酮体包括的物质有A.乙酰乙酸,β-羟丁酸,丙酮 B.乙酰乙酸,乙酰乙酰CoA,
以下项目中,属于商品房买卖合同必备内容的有()。A.商品房销售方式 B
资本主义社会教育所建立的现代学制较之以往有质的飞跃,表现在()。 A.实行义
患者女,32岁。单端固定桥(无)戴用2年余,近一时期自觉基牙松动,冷热疼痛不适,
亚健康状态是指( )。A.介于无症状疾病和有症状疾病之间的第三状态 B.虽然
最新回复
(
0
)