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【简答题】
简述苯的氨基硝基化合物对血液损害的共同特点。
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反馈参考答案：
举一反三
【简答题】不同块料的柱面计算方法的异同 ?
【简答题】尽管条件艰苦 ______ the hard condition
【单选题】Which condition does not involve the passing of hard stools?
A.
spastic colon
B.
dysentery
C.
constipation
D.
irritable bowel syndrome
【单选题】The working condition of the sailors was very hard. 查看材料
A.
They often had to set the sails in bad weather.
B.
So they had less courage
C.
They were happy to be swept overboard in a strong wind
D.
A 70-day-journey across the Atlantic was their happiest thing
【单选题】The hard working condition will causes the crew to be _______.
A.
homesick
B.
happy
C.
seasick
D.
excited
【简答题】用一个平面低副联二个做平面运动的构件所形成的运动链共有_______个自由度。
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