【名词&注释】
输尿管(ureter)、原生动物(protozoa)、莫扎特(mozart)、贝多芬(beethoven)、去极化(depolarization)、兴奋性突触后电位(excitatory postsynaptic potential)、驾驶舱(cockpit)、看电视(watch television)、复极化(repolarization)、《安魂曲》(requiem)
[单选题]下列食物链中，最典型的捕食食物链是( )
A. 马→马蛔虫→原生动物
B. 草一→蚱蜢→青蛙→蛇→鹰
C. 动植物残体→蚯蚓→鸡
D. 稻草→牛→牛粪→蚯蚓→鸡
查看答案&解析
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举一反三：
[单选题]兴奋性突触后电位的后膜产生的电变化为 （ ）
A. 极化
B. 去极化
C. 反极化
D. 超极化
E. 复极化(repolarization)
[单选题]《安魂曲》(requiem)是的作品。（ ）
A. 贝多芬
B. 莫扎特
C. 海顿
D. 舒伯特
[单选题]女性输尿管的盆段在进入膀胱前，跨其前上方者为( )
A. 髂内血管
B. 卵巢血管
C. 子宫动脉
D. 闭孔神经
E. 闭孔血管
[单选题]Though I am always free on Sundays. I seldom watch television. _________.
A. So does my sister
B. My sister doesn't
C. My sister is too
D. Nor does my sister
[单选题]一般内脏运动核发出纤维支配（ ）
A. 咀嚼肌
B. 咽喉肌
C. 面肌
D. 舌肌、眼球外肌
E. 平滑肌、心肌、腺体
[单选题]Passage ThreeThe war had begun, and George had joined the air force. He wanted to be a pilot and after some months he managed to get to the air force training school, where they taught pilots to fly'.
A. There, the first thing that new students had to do was to be taken up in a plane by an experienced pi lot, to give them some ideas what it felt like. Even those who had traveled as passengers in commercial (商业的 ) airline planes before found it strange to be in the cockpit (驾驶舱(cockpit))of a small fighter plane, and most of the students felt nervous.
B. The officer who had to take the students up for their first flight allowed them to fly the plane for a few seconds if' they wanted to and if they were not too frightened to try, but be was always ready to take over as soon as the plane started to do dangerous things.
C. George was one of those who took over the controls of the plane when he went up in it for the first time, and after the officer had taken them [Yom him again. George thought that he had better ask a few questions to show how interested he was and how much he wanted to learn to fly. There were a number of instruments (仪表) in front of him, so he chose one and asked the officer what it was. The officer looked at him strangely for a moment and then answered, "That is the clock."
D. 44. George went to the air torte training school because he wanted ______.
E. to fight the war
F. to fly
G. to be pilot
H. to be a passenger
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