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
2025-01-09
18
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 walking or flying. 【M1】_____
Because plants don’t have that ability,
they may somehow hitchhike. Some plant seeds scatter by 【M2】_____
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 【M3】_____
later spits out the seeds somewhere far from its parent tree.
Seeds can thereby be carried thousands 【M4】_____
of miles. It may 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 ready to be 【M5】_____
planted, the surrounding fruit is green, sour, and hard.
When the seeds final mature, the berries turn 【M6】_____
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 【M7】_____
with a conscious intent of attracting birds only when
their seeds were ready to be dispersed away. 【M8】_____
Nor did birds set out with the intent of planting strawberries. Rather, strawberry plants evolved
through natural selection.
The sweeter and reder the final strawberry, the more birds spread its ripe 【M9】_____
seeds;the greener and more sour the young strawberry,
the birds destroyed the seeds by eating 【M10】_____
berries before the seeds were ready. [br] 【M5】
选项
答案
tactic改成tactics
解析
tactic是可数名词,且结合上文,此处应用复数。
转载请注明原文地址:https://tihaiku.com/zcyy/3905209.html
相关试题推荐
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
1 Owingtothewidespreadexpansionofcasinos,thecostofpathologicalandpr
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
随机试题
Macau,theworld’sbiggestcasinohub,has【C1】______Switzerlandintheweal
Twonewstudiesoffersignsthatthiscouldbechangingquickly.Oneoffers
体重超过同性别、同身高正常儿均值的30%~39%,属A.中度肥胖 B.轻度肥胖
在资产管理集合计划存续期间,持续5个工作日客户少于( )人的,集合计划应当终止
站用交流电源系统出现馈线支路低压断路器跳闸、熔断器熔断故障时,应检查故障馈线回路
市场上常会出现适用于饭店的更先进、更经济的设备而使原设备显得陈旧或技术落后产生经
很多学生都认为只要他们有较高的学习动机,就能取得好成绩。但其实。动机强度与工作效
( )的作用主要是用于判断被考评者的绩效是否能够满足企业基本的要求。A.基本标
采用锤击法打预制钢筋混凝土桩,方法正确的是( )。A.桩重大于2t时,不宜采用
消化性溃疡外科手术治疗的适应证是( )。A.溃疡治愈后短期复发 B.溃疡周期
最新回复
(
0
)