题目内容
人类胚胎发育过程中,对性器官的分化具有重要作用是( )
查看答案
搜索结果不匹配？点我反馈
更多问题
睾酮对下丘脑和其他器官发挥雄性化作用是通过( )
在性激素对性行为激活作用的机制中,起关键作用的是( )
如果许多肌纤维同时强有力地收缩会造成其自身损伤。可以检测到肌肉收缩时产生的张力,将信息传入脊髓,并通过中间神经元抑制运动神经元,在肌肉过于强大的收缩时起到抑制作用的是( )
Complete the sentences with the words or expressions in the box. （只需填写单词前大写字母）A. a variety of； B. help out； C. extra；D. allow；E. financial；F. tend； G. barrier；H. be regarded as； I. cope with； J. responsible(1) Which sales manager is _____ for the European market?(2) This shop sells _____ toys.(3) She's always willing to _____ when we're short of staff.(4) They have to _____a mountain of problems.(5) Breakfast is provided at no _____ charge.(6) This can _____ a great achievement.(7) His parents won't _____ him to stay out late.(8) Poor health maybe a _____ to success.(9) The company has enormous _____ firepower.(10) I _____ to go to bed earlier during the winter.
微信支付 
支付宝支付