估算写出结果. 89×202≈139×48≈350÷68≈240÷81≈ 发布时间:2017-04-17 12:05 │ 来源:www.tikuol.com 题型:解答题 问题: 估算写出结果. 89×202≈139×48≈350÷68≈240÷81≈
题型:解答题 对于达到平衡状态的可逆反应:N2+3H22NH3(正反应为放热反应)下列叙述中正确的是( )A.反应物和生成物的浓度相等B.反应物和生成物的浓度不再发生变化C.降低温度,平衡混合物里NH3的浓度减小D.增大压强,不利于氨的合成 查看答案
题型:解答题 ____ на прошлой неделе книгу мне так и не удалось найти.A.Пропадаемую B.Пропадавшую C.Пропавшую D.Пропав 查看答案
题型:解答题 患者女性,35岁,月经稀少、消瘦2年。查体:脉搏120/min,多汗,甲状腺Ⅱ度大,有血管杂音。下列哪项符合诊断A.TSH降低,TRH刺激后无升高B.PRL升高,TRH刺激后继续升高C.FSH及LH降低,LRH刺激后无升高D.FT3、FT1,降低,TRH刺激后,升高反应延迟E.FT3、FT1,正常,TRH刺激后,无升高反应 查看答案
题型:解答题 完形填空。 He lost his arms in an accident that claimed his father's life who was the main 1 of support for the family. He had to 2 the arms of his younger brother, and his younger brother became his 3 , never leaving himalone for years. Except for writing with his toes, he was completely unable to do 4 in his life. One late night, his younger brother accompanied him into the toilet and went back to 5 . But being so 6 , his younger brother fell asleep, leaving him on the toilet for two hours. As the two brothers grew up together, they had their share of problems and they would often 7 . His younger brother wanted to live 8 from him,living his own life, as many normal people do. So he was 9 and didn't know what to do. A 10 misfortune befell (降临) a girl. One night her mother, who suffered from mental illness 11 . So her father went out looking for her mother, leaving her alone at home. She tried to prepare a 12 for her parents,only to overturn the stove, 13 in a fire which took her hands away. Though her elder sister who was studying in another city, showed her 14 to take care of her, she wasdetermined to be completely 15 . At school, she always studied hard. One day, the boy and the girl were both invited to appear on a television interview program. They were bothasked to write something on a piece of paper with their toes. The boy wrote: My younger brother's arms are myarms; 16 the girl wrote: Broken wings, flying heart. Disasters can 17 at any time. If you choose only to complain and 18 from the ordeal (苦难的经历), it willalways follow you wherever you go. But if you decide to be 19 , the hardship will turn out to be a(n) 20 on which new hopes will arise. ( )1. A. cause ( )2. A. live on ( )3. A. shadow ( )4. A. something ( )5. A. play ( )6. A. tired ( )7. A. support ( )8. A. lonely ( )9. A. heartless ( )10. A. same ( )11. A. died ( )12. A. meal ( )13. A. leading ( )14. A. willingness( )15. A. independent( )16. A. since ( )17. A. strike ( )18. A. hide ( )19. A. careful ( )20. A. difficulty B. strength B. take on B. volunteer B. anything B. work B. angry B. separate B. different B. heart-broken B. similar B. disappeared B. medicine B. resulting B. anxiety B. relaxed B. while B. afford B. remain B. strong B. fortune C. source C. turn on C. bodyguard C. nothing C. wait C. impatient C. quarrel C. separated C. kind-hearted C. simple C. dismissed C. heating C. taking C. contribution C. disabled C. as C. form C. survive C. healthy C. occupation D. course D. depend on D. servant D. everything D. wash D. unfair D. avoid D. divided D. heart-warming D. strange D. failed D. plan D. bringing D. respect D. energetic D. though D. return D. escape D. polite D. attitude 查看答案