男性生殖系统中能产生精子和雄性激素的是[]A．输精管B．睾丸C．阴茎D．附睾-七年级生物

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• I'm ____ and than you.[ ]A. big; strong B. bigger; stronger C. biggest; strongest-六年级英语
• Look and write.Brad (11) George (12) Sally (10) Mark (11)1. Brad is_____ than George, but George is
• Winter is _____ than autumn.[ ]A. more colderB. much colderC. much coldD. many cold-六年级英语
• 精子与卵细胞结合的部位是在[]A．阴道B．子宫C．卵巢D．输卵管-七年级生物
• 男女两性生殖器官的差别叫第二性征。[]-七年级生物
• Read and write．（根据提示完成下列句子。）1. This ruler is_______________________(long)thanthat one.2. This tree i
• 因病摘除子宫的妇女，将表现出[]A．有生育能力B．有正常的月经C．无妊娠能力D．第二性征不消退-八年级生物
• Fill in blanks according to the sentences or pictures. (根据上下文或图片填出单词的正确形式。)1.Thegreenpencilis_____th
• That box is _____ than this one.[ ]A. more heavierB. heavyerC. much heavier-六年级英语
• That box is____ than this one.[ ]A. many heavier B. more heavier C. much heavier-六年级英语
• Read and write.（写出下列形容词的比较级）1. tall_____4. old_____ 7. big _____10. thin_____ 2. short _____ 5. youn
• 用所给单词的适当形式填空。1. I'm ______ (young) than Daming.2. Tom is ______ (bad) than the girl.3. Tom, ___
• 受精卵在由输卵管进入子宫的过程中，就开始进行细胞分裂，形成最初的_______，随后植入子宫内膜继续发育。在胚胎发育过程中，胎儿通过_______从母体吸取和________，并通过_-七年级生物
• 男性、女性产生生殖细胞的器官分别是[]A．睾丸、子宫B．附睾、卵巢C．卵巢、睾丸D．睾丸、卵巢-七年级生物
• I am 150cm. Tom is 152cm. So Tom isthan me.[ ]A. taller B. youngerC. shorterD. lower-六年级英语
• Look and write. (读一读，写一写)Name: Bill Head: small Weight: 30 kgFood: noodles Be good at: P.E. Name: Ja
• Read and answer.(按要求改写句子)1. How tall are you？(用“160 cm”回答)__________________________________________
• 找出错误的一项，将其序号填在题前的括号中。( ) 1. Amy is tallthan Lingling. A B C D E( ) 2. Who arethat little girl ? AB C
• ______是男性生殖系统中的主要生殖器官，______是女性生殖系统中的主要生殖器官。男性生殖系统的功能是_______；女性生殖系统的功能是。-七年级生物
• 人在胚胎发育初期和胚胎发育后期的营养物质来源依次是[]A．卵黄和胚膜B．卵黄和母体C．卵黄和脐带D．卵黄和食物-七年级生物
• 用所给词的适当形式填空。1. The red skin is(small) than the blue one.2. She _____(go) to the cinema with her clas
• My' fatheris_____than my mother.[ ]A. bigger B. longerC. stronger-四年级英语
• 胚胎发育的场所在母亲的里。在这里，他们靠获得母体的营养物质，并同时排出废物到母亲体内的。-七年级生物
• Look and write.（看图，补全句子）1. Therabbit’searsare_______ thanthecat’s. 2. Therabbit’searsare_______ than
• 贮存和输送精子的结构是[]A．睾丸B．附睾C．阴囊D．精囊腺-七年级生物
• My schoolbag is ____than yours.[ ]A. bigB. biggerC. taller-六年级英语
• Is Beijing____ than Nanjing?[ ]A. bigB. small C. bigger-四年级英语
• Lingling is_____than the first girl.[ ]A. oldB. youngC. younger-四年级英语
• I like the little one. It's younger and ____.[ ]A. funnierB. tallC. strong-六年级英语
• Is Samthan Lingling?[ ]A. strong B. very strongC.stronger-四年级英语
• The red apple is ____than the green one.[ ]A. big B. biggestC. bigger-四年级英语
• 根据图片及汉语意思，选择正确的单词填空。 younger older tallershorter Mr Liu Mr Cheng1. Mr Liu is ________ (年长的)than MrCh
• I'm 11years old. You're 12 years old. You are l year ____ than me.[ ]A. youngB. oldC. olde
• 某育龄妇女因患病被摘除了子宫，这将会对其造成怎样的影响？[]A．能正常排卵，但不会形成月经B．月经正常，但将不能孕育胎儿C．不能正常排卵，但能形成月经D．不能排卵，也不会形-七年级生物
• Is Beijing_____ than Nanjing?[ ]A. smallB. biggerC. big-四年级英语
• —Amy is older than Sam.—Yes, Sam is _____ than Amy.[ ]A. younger B. younggerC. young-四年级英语
• Lily's hair is ____than Jane's.[ ]A. longerB. biggerC. older-六年级英语
• 人类繁衍的基础是男女性均具有产生生殖细胞和性激素的生理结构．它们分别是（）A．卵巢和睾丸B．附睾和睾丸C．附睾和子宫D．睾丸和卵巢-生物
• I'm ____________ than my father and mother. [ ]A. youngB. youngerC. older-五年级英语
• I am ____________ than my father. [ ]A. olderB. youngerC. young-五年级英语
• This dog's tail is long, that dog's tail is ____________. [ ]A. longB. longerC. heavier-六年
• 根据上句用合适的词完成下句。1. Sam is shorter than Daming. Daming is ______ than Sam.2. My father is taller than m
• 请写出下列形容词的比较级。1. tall ______________2. short ______________3. old ______________ 4. strong __________
• 用括号内单词的适当形式填空。1.Line A is(long) than Line B.2.Circle A is (small) than Circle B.3. I have two apples
• I'm 165 cm tall. Mike is 160 cm. I'm ____ than Mike.[ ]A. olderB. tallerC. longer-六年级英语
• To pick up a hare is certainly____________than to work in the fields. [ ]A. easy B. easier C. easies
• 换种方式表达下列各句。1. John is taller than my sister. My sister is ____________ ____________ ____________.2.
• Is your grandmother _____________ than your grandfather?[ ]A. olderB. oldC. young-五年级英语
• I am ______________ than Jing. [ ]A. tallB. tallerC. short-五年级英语
• This one is ____________ than that one. [ ]A. biggerB. bigC. biggest-六年级英语