首页
登录
职称英语
Like all animal species, plant species must spread their offspring to suitabl
Like all animal species, plant species must spread their offspring to suitabl
游客
2023-12-15
64
管理
问题
Like all animal species, plant species must spread their offspring to suitable areas
where they can grow and pass on their parent’s genes. Young animals generally spread by 【M1】______
walking or flying. Because plants don’t have that ability, they may somehow hitchhike. 【M2】______
Some plant seeds scatter by blowing in the wind or floating on water. Many other plant
species, though, trick an animal into carrying their seeds. How do they do? They enclose
them within a tasty fruit and advertise the fruit’ s ripeness by its color or smell. The hungry
animal collects and swallows the fruit, walks or flies off, but later spits out the seeds some-【M3】______
where far from its parent tree. Seeds can thereby be carried thousands of mi]es. It may 【M4】______
surprise you to learn that plant seeds can resist digestion. In fact, some seeds actually
require passage through an animal’ s body before they can grow. Wild strawberries offer a
good example of hitchhiking tactic. When strawberry seeds are still young and not yet 【M5】______
ready to be planted, the surrounding fruit is green, sour, and hard. When the seeds final 【M6】______
mature, the berries turn red, sweet, and tender. The change in the berries’ color serves as a
signal to birds which then eat the strawberries, fly off, and eventually spit out the seeds.
Naturally, strawberry plants doesn’t set out with a conscious intent of attracting birds only 【M7】______
when their seeds were ready to be dispersed away. Nor did birds set out with the intent of 【M8】______
planting strawberries. Rather, strawberry plants evolved through natural selection. The
sweeter and ruder the final strawberry, the more birds spread its ripe seeds; the greener and 【M9】______
more sour the young strawberry, the birds destroyed the seeds by eating berries before the 【M10】______
seeds were ready. [br] 【M1】
选项
答案
parent’s改成parents’。
解析
考查parent的复数形式。
转载请注明原文地址:http://tihaiku.com/zcyy/3276626.html
相关试题推荐
GeorgeOrwell’s______isconsideredasananti-utopiannovel.A、AnimalFarmB、Ni
ThebestknownAustraliananimalis______.A、bearB、kangarooC、hareD、elephantB
Skeletalremainswithanimalbonebladestiedtothefeettestifytoskating’s
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
Vibrationsinthegroundareapoorlyunderstoodbutprobablywidespreadmeans
Vibrationsinthegroundareapoorlyunderstoodbutprobablywidespreadmeans
随机试题
PassageTwo[br]WhatdoestheauthormeanbythecasesofBushandObamain
[originaltext]W:We’veallheardthesaying“Laughteristhebestmedicine.”Ho
[originaltext]Tom,whydoyoutakeallthesenotes?[/originaltext][audioFiles]
水准测量中,施测距离不宜过大,一般不宜超过()。A.20 B.50 C.8
存在于自由水面以下,在其自身重力作用下可在土体中自由运动的土中水是()。A.重
下列叙述符合恶性组织细胞病的骨髓象特点的是A.骨髓多数增生极度活跃 B.出现吞
社会审计人员的下列行为中,符合职业道德规范的是( )。[2008年初级真题]A
以下哪项体征对Graves病最具诊断意义A.皮肤温暖湿润,体重减轻 B.弥漫型
某座10层建筑,建筑高度为36m,一至五层为住宅,六至十层为办公用房。住宅
下列关于与组成部分注册会计师的沟通的说法中,正确的有( )。A.集团项目组清晰、
最新回复
(
0
)