So between 1510 and 1514 Copernicus work

题型:选择题

问题:

So between 1510 and 1514 Copernicus worked on it, gradually _____ his theory until he felt it was complete. [ ]

A. to improve

B. to be improving

C. improving

D. improved

考点:现在分词
题型:选择题

关于宫颈鳞状上皮化生,下列哪项是正确的()

A.鳞状上皮直接长入柱状上皮与其基底膜之间

B.移行带柱状上皮下的储备细胞增生,转化为鳞状上皮

C.宫颈糜烂面的柱状上皮受 * * 酸性环境的影响变为鳞状上皮

D.宫颈糜烂面的柱状上皮受 * * 炎性因素的影响变为鳞状上皮

E.宫颈糜烂面的柱状上皮受 * * 碱性环境的影响变为鳞状上皮

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法定检验检疫的入境货物,海关凭( )检验检疫机构签发的《入境货物通关单》验放。

A.最终销售地

B.收货人所在地

C.最终使用地

D.报关地

题型:选择题

_马克思说:“手工磨产生的是封建主为首的社会,蒸汽磨产生的是工业资本家为首的社会”,这句话揭示了

A.生产工具是衡量生产力水平的重要尺度

B.科学技术在生产工具的变革中具有重要作用

C.社会形态的更替有其一定顺序性

D.以生产工具为骨骼系统的生产力的性质和变革决定生产关系的性质和变革

题型:选择题

Randy Kraus was paralyzed. His left side was useless. But his right hand was (1) enough to lift a bucket to his forehead. Once, he’d been a police officer and owned a private-eye agency. Once, he’d been p and able. Now, he felt he was nothing.

His (2) started with Parkinson’s disease, but it didn’t (3) there. In July 2002, the 60 year old Kraus went into the hospital for an operation to control the shaking. (4) , during the operation, he had a stroke. He was paralyzed. The (5) man, who loved golf, could think, but couldn’t (6) . Kraus wanted the doctors to (7) it to him straight. "You may never walk again, " they told him. "Maybe you won’t (8) be able to talk. "

Once at home, he (9) he couldn’t lift a fork or take a drink by himself. Physical treatment was so painful and slow. What did he have to (10) for So now Kraus held the gun against his head. (11) the cold metal on his skin, he began to consider not his pain, but the pain he (12) cause his wife, daughters and grandchildren. He didn’t pull the trigger.

"You are where you are", his exercise physiologist, Andrew Garud told him. "The pace would be slow; the pain would be (13) . But as long as you are (14) , you have the ability to get better. " After three months of (15) with Garud, Kraus wanted to see if he could (16) . He could. Then he took three steps, sat down and cried like a baby. One step (17) to another. Next he managed a short walk. It was the hardest (18) of Kraus’s life.

Garud kept saying he could (19) more. Now, Kraus can brush his teeth, shave himself and get around the house with a walker. Little success only the paralyzed can (20) understand.

16().

A.walk

B.stand

C.shake

D.fall

题型:选择题

机油压力过低的原因:机油存量不足、机油粘度低()。

A、油温过高

B、机油过冷

C、机油泵不泵油

D、润滑油道有堵塞处

E、机油集滤器堵塞

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