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【简答题】
Miss Zhao is one of the most popular teachers in the school.Yesterday she came into the 1 with a big smile on her face.She said to her 2 that she was 3 to see they did well in the sports meeting.But 4 was not pleased to see the classroom last Saturday not as 5 as usual.She hoped they would clean the classroom every day. Wei Hua was on 6 yesterday.She said everyone was at 7 except LinTao. Then she told Miss Zhao about their 8 to the Great Wall last Sunday.Luckily the weather was 9 .They played games and had a picnic there.After Wei Hua 10 her talk,Miss Zhao began her lesson.
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【简答题】, ,所以游目骋怀,足以极视听之娱。
【简答题】仰观宇宙之大,俯察品类之盛, 所以 游目骋怀,足以 极 视听之娱, 信 可乐也。
【简答题】王羲之在《______》里说:“仰观宇宙之大,俯察品类之盛,所以游目骋怀,足以极视听之娱,信可乐也。
【单选题】一个玉米雄性不育植株,用对育性恢复基因 (Rf) 是纯合的粉授粉。杂交后产生的 F1 的基因型和表现型分别为
A.
(S)Rfrf 和雄性可育
B.
(N)RfRf 和雄性可育
C.
(N)Rfrf 和雄性不育
D.
(S)rfrf 和雄性不育
【简答题】是日也,____,惠风和畅。____,俯察品类之盛,所以游目骋怀,足以极视听之娱,信可乐也。(王羲之 《兰亭集序》)
【简答题】所以游目骋怀,足以 _____ 之娱, ___ 可乐也。
【简答题】仰观宇宙之大,俯察品类之盛,所以游目骋怀,足以极视听之娱,信可乐也。
【单选题】下面哪项是接触镜配戴绝对禁忌证 ( )
A.
糖尿病
B.
急性结膜炎
C.
慢性结膜炎
D.
建筑师
【简答题】一个雄性不育株,用对育性恢复基因Rf是纯合 的花粉授粉。F1的基因型怎样?表型怎样?以F1植株作为母本,用一正常植株N(rfrf)的花粉测交,结果应该怎样?试写出基因型和表型,并注明细胞质种类。
【简答题】一个雄性不育植株,用对育性恢复基因Rf是纯合的花粉粒授粉,F 1 的基因型怎样以题中的F 1 植株为母本,用一正常植株(rfrf)的花粉测交,测交的结果应该怎样写出基因型和表型,注明细胞质种类。
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