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【单选题】
当四杆机构出现死点位置时,可在在从动曲柄上()使其顺利通过死点位置。A.
加大主动力
B.
增大链条节距和减小链轮齿数
C.
减小链条节距和增大链轮齿数
D.
减小链条节距和链轮齿数
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皮皮学刷刷变学霸
举一反三
【单选题】She went through a period of emotional __________ after her company fell into ruins and she finally decided to find a new job. [ ]
A.
control
B.
adjustment
C.
outburst
D.
improvement
【简答题】She went through a period of tough training before she earned the j______ to make a living.
【单选题】病人,男,40岁。已确诊晚期肝癌。突然右上腹疼痛,面色苍白,大汗,最可能的诊断是
A.
急性胆囊炎
B.
心肌梗死
C.
肝癌结节破裂
D.
急性阑尾炎
E.
十二指肠溃疡穿孔
【简答题】She once again went through her composition carefully to all spellingmistakes) A) withdraw B) diminish C) abandon D) eliminate
【单选题】男性,40 岁,已确诊晚期肝癌。突然右上腹疼痛,面色苍白,大汗。最可能发生的情况是:
A.
急性胆囊炎
B.
心肌梗塞
C.
肝癌破裂
D.
急性阑尾炎
E.
十二指肠溃疡穿孔
【简答题】She went through a period of tough training before she earned the j______ to make a living.9．She went through a period of tough training before she earned the j______ to make a living.
【单选题】She went through the documents again carefully for fear that she ______ some mistakes.
A.
should overlook
B.
overlooks
C.
overlooked
D.
will overlook
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