问题
解答题
竹子是靠其地下茎节上的芽形成的竹笋长成新个体的,这种繁殖是无性繁殖.______.
答案
竹子开花较为少见,但竹子的地下部分有很多竹鞭(竹子的地下茎),竹鞭分节,节上的芽形成竹笋,由竹笋长成新的竹子.
这种由母体直接产生新个体的繁殖方式叫无性生殖.
故答案为:正确
竹子是靠其地下茎节上的芽形成的竹笋长成新个体的,这种繁殖是无性繁殖.______.
竹子开花较为少见,但竹子的地下部分有很多竹鞭(竹子的地下茎),竹鞭分节,节上的芽形成竹笋,由竹笋长成新的竹子.
这种由母体直接产生新个体的繁殖方式叫无性生殖.
故答案为:正确
As I held my father's hands one night,I couldn't help but notice their calluses(老茧) and roughness.His hands tell the story of his life as a ___,including all his struggles. One summer,I remember,a drought(旱灾)hit Ontario,turning it into a____desert.On one of those hot mornings I was picking sweet corn with my dad to fill the last ___from the grocery store.Fifty dozen was all we needed,which____took twenty minutes. That morning,however,the process didn't____ quickly.After forty minutes of aimlessly walking in the field,we____ needed twenty dozen.I was completely frustrated and ____.Dropping the basket heavily,I declared,“If the store wants its last twenty dozen,they can pick it themselves!”Dad____,“Just think,my little girl,only ten dozen left for each of us and then we're____.”Such is Dad—whatever problem he ____,he never gives up. ____,the disastrous effects of the drought were felt all over our country.It was a challenging time for everyone,____Dad remained optimistic.He____to be grateful for other things like good health and food on our plates.Only then did I truly begin to____Dad and his faith that guided us through the hard times. Dad is also a living example of real____.From dawn to dusk,he works countless hours to ___our family.He always puts our happiness ____his own,and never fails to cheer me on at my sports games___his exhaustion after long days.His loving and selfless nature has inspired me to become more sympathetic and____,putting others first. Dad,the life____I have learned from you will stay with me forever.You are my father,teacher,friend and,most importantly,my hero.
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