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【单选题】
未经构造变化影响的沉积岩,其原始产状应当是( )
A.
垂直的
B.
无法确定
C.
水平的
D.
倾斜的
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参考答案:
举一反三
【单选题】Passage ThreeQuestions 32 to 35 are based on the passage you have just heard.32.
A.
The workers on the underground platfonns were replaced by machines.
B.
It became the first completely automatic railway in the world.
C.
A completely automatic line was added to its network.
D.
Its trains became computer-controlled.
【简答题】Passage 32 TOEIC.mp3
【单选题】Passage Three Questions 32 to 35 are based on the passage you have just heard.32.
A.
Job security . C. Challenging work.
B.
Good labour relations. D. Attractive wages and benefits.
【单选题】滑动轴承不论哪种修复方法,都要注意前后轴瓦或( )的同轴度。
A.
滚动轴承
B.
轴承组
C.
三片轴瓦
D.
多片轴瓦
【简答题】Passage Three Questions 32 to 35 are based on the passage you have just heard. 第32题: A)They were too busy working to learn to read . B)Their owners were afraid they could read. C)They had no one to te...
【单选题】滑动轴承不论哪种修复方法,都要注意前后轴瓦或轴承组的( )。
A.
垂直度
B.
平行度
C.
同轴度
D.
圆柱度
【简答题】Passage 32 Sport Parachuting.mp3:
【判断题】3 种循环 (while 循环、 do...while 循环和 for 循环 )不 可以互相嵌套。
A.
正确
B.
错误
【单选题】滑动轴承不论哪种方法修复,都要注意( )轴瓦或轴瓦组的同轴度。
A.
前后
B.
调整
C.
三片
D.
多片
【简答题】某研究者为了验证氯霉素对伤寒的疗效,在408例伤寒病人中进行对照实验,其中251例用氯霉素治疗,其余157例不用。结果使用组251人中死亡20人,死亡率7.07%,未用组157人中死亡36人,病死率22.8%,已有结论被亲自证实。在临床医学研究中,对受试者应该做到的是( )
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