【单选题】【消耗次数:1】
Malaysian Airlines lost an airplane on March 8 last year, _____ whereabouts still remains a mystery.
its
whose
their
the
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相关题目
【单选题】 16.-This dress was last year’s style. -I think it still looks perfect ______ it has gone out this year.
①  so that
②  even though
③  as if
④  ever since
【单选题】 These children are ______ this year than they were last year.
①  more tall
②  more taller
③  very taller
④  much taller
【单选题】 These children are _________ this year than they were last year.
①  moretall
②  moretaller
③  verytaller
④  muchtaller
【单选题】 These children are_______this year than they were last year.
①  moretall
②  moretaller
③  verytaller
④  muchtaller
【单选题】 9. These children are ____this year than they were last year.
①  more tall
②  more taller
③  very taller
④  much taller
【判断题】 The cinema is built last year.
①  正确
②  错误
【判断题】 What caused the fire is still a mystery. 此句是从属分句中的名词性分句。
①  正确
②  错误
【判断题】 Thousands of trees?were planted?last year.
①  正确
②  错误
【单选题】 A new school was _____ up in the village last year.
①  held
②  set
③  sent
④  bought
【单选题】 The committee is due to __________ its report by the end of this year.
①  release
②  relieve
③  relate
④  retain
随机题目
【单选题】 产生节律性呼吸的基本中枢在
①  下丘脑
②  延髓
③  脑桥
④  中脑
⑤  脊髓
【单选题】 平静吸气末,肺内的气量是
①  残气量
②  功能残气量
③  潮气量
④  残气量和潮气量
⑤  功能残气量和潮气量
【单选题】 形成胸膜腔内压的因素是
①  肺泡表面张力
②  大气压+跨肺压
③  吸气肌收缩
④  气道阻力
⑤  肺回缩压
【单选题】 中枢化学感受器位于
①  大脑皮层
②  延髓腹外侧部
③  脑桥
④  中脑
⑤  下丘脑
【单选题】 下列与肺换气无直接关系的是
①  呼吸膜的厚度
②  呼吸膜的面积
③  通气/血流比值
④  气体的分压差
⑤  气道口径
【单选题】 平静呼气末,肺内的气量是
①  潮气量
②  残气量
③  功能残气量
④  补吸气量
⑤  补呼气量
【单选题】 血红蛋白的氧含量主要取决于
①  Pco2
②  2,3-DPG的浓度
③  pH
④  Po2
⑤  Hb浓度
【单选题】 参与平静呼吸的肌肉是
①  肋间外肌
②  膈肌
③  肋间内肌和膈肌
④  肋间外肌和膈肌
⑤  肋间外肌和腹肌
【单选题】 氧分压最高的部位是
①  动脉血
②  静脉血
③  毛细血管血液
④  细胞内液
⑤  组织液
【单选题】 肺通气的原动力是
①  呼吸肌的舒缩引起的节律性呼吸运动
②  气体分压差
③  肺内压与外界环境之间的压力差
④  肺内压与胸膜腔内压
⑤  胸膜腔内压与外界环境之间的压力差