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【简答题】
完形填空。 Mr. Smith works in New York. Last month he had a fifteen-day holiday, but he didn’t know where to spend it. He spoke to his friend Bill,“I 1 the hot weather, but I can’t find a cool place in America. How should I spend my holiday?” “That’s easy, ” said Bill, “You’d 2 to Moscow. Snow and ice are covering the ground now. ” Mr. Smith agreed 3 his friend. He bought an air ticket and soon 4 Moscow. He had a happy trip there, but one day he 5 . After lunch he went outside the city, he saw a dog 6 him while he 7 past(走过) a house. The dog was hungry and wished him to give it some food to eat. Bad luck! He had no piece of bread or cake in his pockets. He tried to drive it away. But it began to bark at(对……大叫) him. He wanted to look for a stick but he couldn’t find anything 8 snow and ice. Suddenly he saw a stone on the ground. He hurried to 9 but failed. “How strange Russians are!” Mr. Smith said to himself, “They don’t tie dogs, but firmly (紧紧地) 10 the stones. My God!” 小题1: A.like B.unlike C.not like D.hate 小题2: A.would go B.would not go C.better go D.better to go 小题3: A.to B.with C.at D.about 小题4: A.arrived in B.arrive in C.reach D.reached in 小题5: A.made a mistake B.get into trouble C.got into trouble D.find the trouble 小题6: A.to follow B.is following C.followed D.following 小题7: A.was walking B.walked C.was crossing D.crossed 小题8: A.except B.besides C.beside D.without 小题9: A.picked it up B.picked up it C.pick it up D.pick up it 小题10: A.tied B.lied C.tie D.lie
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【简答题】过两齿廓的接触点作公法线与两轮连心线的交点P称为 ,欲使两齿轮瞬时角速比恒定,必须使P点为一 点。
【单选题】下列哪一项是原位癌的主要特征
A.
发生于子宫颈黏膜上皮
B.
是一种早期癌
C.
癌变波及上皮全层,但未浸润至黏膜下层
D.
未发生转移
E.
可长期保持原来的结构,甚至消退
【单选题】下列哪一项是原位癌的主要特征
A.
可长期保持原来的结构,甚至消退
B.
是一种早期癌
C.
癌变波及上皮全层,但未浸润至黏膜下层
D.
未发生转移
【判断题】两啮合齿廓在接触点处的公法线与两齿轮连心线的交点即为两齿轮的绝对瞬心。
A.
正确
B.
错误
【单选题】商家在京东、亚马逊等平台开店的流程不包括:
A.
注册账户
B.
开通支付宝
C.
等待审核
D.
商家缴费、开店
【简答题】齿廓接触点处公法线与两轮连心线的交点称为()。
【单选题】齿廓接触点处公法线与两轮连心线的交点称为()
A.
齿廓曲点
B.
节线
C.
节面
D.
啮合节点
【单选题】商家在京东、亚马逊等平台开店的流程不包括:
A.
注册账号
B.
开通支付宝
C.
等待审核
D.
商家缴费、开店
【单选题】一对齿轮外啮合时,过齿廓接触点所作的公法线与两齿轮中心线连线的交点所作的两个相切的圆称为()。
A.
分度圆
B.
节圆
C.
齿顶圆
【单选题】患者,男,76岁,自诉胸闷,呼吸不畅,不能平卧。观察发现患者呼气时间长于吸气时间,呼吸费力,无明显三凹征。下列哪种情况可能导致此种呼吸
A.
大叶性肺炎
B.
哮喘发作
C.
喉头水肿
D.
临终前表现
E.
代谢性酸中毒
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