【简答题】【消耗次数:1】
Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[collide with; take hold of; for a moment; head for; ever since; be full of; share with; make fun of]3. Dont[填空1]the disabled!
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【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[collide with; take hold of; for a moment; head for; ever since; be full of; share with; make fun of]4. As he fell, his head[填空1]the table.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[collide with; take hold of; for a moment; head for; ever since; be full of; share with; make fun of]7. Anyone can upload their dictionary and[填空1]others.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[collide with; take hold of; for a moment; head for; ever since; be full of; share with; make fun of]5.[填空1]your end of the stick, and well pull you up.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[collide with; take hold of; for a moment; head for; ever since; be full of; share with; make fun of]6. We saw him[填空1]us, so we stepped aside.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[collide with; take hold of; for a moment; head for; ever since; be full of; share with; make fun of]1. Ann had lived in a cottage[填空1]she was born, and had no wish to move to a tower block.
【简答题】 Direction: Fill in the blanks with the words given below. Change the form if necessary.[dodge; mean; tease; disability; regular; bonus; proclaim; universal]3. That is a[填空1]trick!
【简答题】 Direction: Fill in the blanks with the words given below. Change the form if necessary.[assumption; contact; cliff; equivalent; emergency; outweigh; height; rummage; vibration; bugbear]3. Money is my biggest[填空1].
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]3. This means that across the country all students will[填空1]computers.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]9. But in reality this is not[填空1].
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随机题目
【单选题】 心肌不会产生强直收缩,是因为心肌
①  有效不应期很长
②  是机能上的合胞体
③  能产生自律性收缩
④  呈“全或无”式收缩
⑤  肌质网储存的Ca2+较少
【单选题】 心室肌的有效不应期一直延续到
①  收缩期开始
②  收缩期中间
③  收缩期结束
④  舒张早期
⑤  舒张期结束
【单选题】 正常人心率超过180次/分钟,心输出量减少的主要原因是
①  心室充盈期缩短
②  快速射血期缩短
③  减慢射血期缩短
④  心室肌氧供应不足
⑤  经减压反射调节后心肌收缩能力减弱
【单选题】 老年人主动脉弹性减弱伴小动脉硬化时,血压的变化是
①  收缩压变化不大,舒张压降低
②  收缩压变化不大,舒张压升高
③  收缩压和舒张压均升高
④  收缩压和舒张压均降低
⑤  收缩压升高,舒张压降低
【单选题】 心肌细胞分为快反应细胞和慢反应细胞的主要根据是其动作电位的
①  时程长短
②  幅度大小
③  0期去极化速度
④  复极化速度
⑤  4期有无自动去极化
【单选题】 心动周期中,在下列哪个时相主动脉压最低?
①  等容收缩期末
②  等容舒张期末
③  心房收缩期末
④  快速充盈期末
⑤  减慢充盈期末
【单选题】 下列关于动脉血压的叙述,正确的是
①  心室收缩时,血液对动脉管壁的侧压称为收缩压
②  平均动脉血压是收缩压和舒张压的平均值
③  动脉血压偏离正常水平愈远,压力感受器纠正异常血压的能力愈强
④  其他因素不变时,心率加快使脉搏压增大
⑤  男性、女性的动脉血压均随年龄的增长而升高
【单选题】 窦房结兴奋快速传播到房室结,主要依靠
①  前结间束
②  后结间束
③  中结间束
④  心房肌
⑤  心房内优势传导通路
【单选题】 衡量心肌自律性高低的指标是
①  动作电位幅度
②  0期除极速度
③  动作电位时程
④  4期自动去极化速度
⑤  最大复极电位水平
【单选题】 能使氧离曲线右移的因素是
①  Pco2升高
②  温度降低
③  pH升高
④  2,3-DPG降低
⑤  Po2升高