【单选题】【消耗次数:1】
The back garden of our house contains a lawn, ____ very pleasant to sit on in summer.
which is
which it is
it is
where it is
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【单选题】 The [填空] in our garden are very beautiful.
①  cloth
②  water
③  flowers
④  grass
【单选题】 They live in a house whose door[填空]which opens to the south.
①  for
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【单选题】 Our new house is very ____ for me as I can get to the office in five minutes.
①  adaptable
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【单选题】 Australia has its own identity ,which is very different from that of Britian.
①  busy
②  central
③  capable
④  cultural
【单选题】 12.Among these articles, which do you think are most ______ to interest our students?
①  competent
②  likely
③  awkward
④  unexpected
【单选题】 I enjoyed the movie very much. I wish I______ the book from which it was made.
①  have read
②  had read
③  should have read
④  are reading
【单选题】 Never in my wildest dreams ____ lead to a career in the NBA, which has allowed me to give back to my people in Africa.
①  Ithoughtthechancewould
②  Ithoughtwouldthechance
③  didIthinkthechancewould
④  didIthinkwouldthechance
【单选题】 They _____ our house at $10.000.
①  count
②  vanish
③  weave
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【单选题】 How I wish every family______ a large house with a beautiful garden!
①  had had
②  will have
③  had
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【多选题】 _____________ its very hot in the summer, the other seasons are beautiful.
①  Even though
②  Even if
③  Although
④  Though
随机题目
【单选题】 肺通气的原动力来源于()
①  肺的舒缩运动
②  肺的弹性回缩
③  呼吸肌的舒缩运动
④  胸内压的周期性变化
⑤  肺内压和胸内压之差
【单选题】 当某种原因造成肺泡表面活性物质减少时,下列情况可能会出现的是()
①  肺扩张
②  肺泡萎缩
③  肺的顺应性变大
④  弹性阻力减小
⑤  肺泡表面张力减弱
【单选题】 平静呼吸时,下列时相中肺内压低于大气压的是()
①  吸气初
②  吸气末
③  呼气初
④  呼气末
⑤  停止呼吸时
【单选题】 呼吸膜两侧气体交换的动力是()
①  肌肉收缩
②  气体的分压差
③  气体的总压力差
④  血压的高低
⑤  血流的速度
【单选题】 通气/血流比值是指()
①  每分肺通气量与每分肺血流量之比
②  每分肺泡通气量与每分肺血流量之比
③  每分最大通气量与每分肺血流量之比
④  肺活量与每分肺血流量之比
⑤  功能性余气量与肺血流量之比
【单选题】 决定肺部气体交换方向的因素是()
①  气体的溶解度
②  气体和Hb的亲和力
③  肺泡膜的通透性
④  气体的分压差
⑤  温度的高低
【单选题】 下列对通气/血流比值的描述,正确的是()
①  指每分通气量与每搏输出量的比值
②  在整个肺的平均比值为8.4
③  比值增大时有利于肺换气
④  人体直立时肺尖部比值较大
⑤  比值变小意味着肺泡无效腔变大
【单选题】 当无效腔容量加倍而潮气量不变时,通气/血流比值的变化是()
①  减小
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【单选题】 下列情况中能使氧离曲线发生右移的是()
①  肺通气阻力减小
②  代谢性酸中毒
③  血温降低
④  血中CO<sub>2</sub> 分压下降
⑤  血红蛋白与氧的亲合力增加
【单选题】 下列对于CO<sub>2</sub> 在血液中运输的叙述,错误的是()
①  CO<sub>2</sub> 在血浆中与水结合形成碳酸
②  在血浆中溶解的CO<sub>2</sub> 绝大部分扩散入红细胞内
③  在红细胞内,在碳酸酐酶催化下,CO<sub>2</sub> 与水反应生成碳酸
④  碳酸可解离为碳酸氢根和氢离子
⑤  氨基甲酸血红蛋白是CO<sub>2</sub> 结合运输的一种形式