铣尺寸精度要求较高的平行面时,精铣时工作台上升的移动量可借助()来控制。
A. 游标卡尺
B. 高度尺
C. 深度尺
D. 百分表
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婴幼儿午睡发烧时,身体会表现出()症状。
A. 遗尿
B. 流鼻血
C. 蹬被子
D. 脉搏加快
科目汇总表账务处理程序的主要特点是根据记账凭证编制科目汇总表,并根据科目汇总表填制报表。()
A. 正确
B. 错误
男性,10岁,自幼发现心脏杂音,易感冒,诊断为先天性心脏病,肺动脉口狭窄,心脏听诊可发现()
A. 胸骨左缘第2肋间机器样杂音
B. 心尖区吹风样收缩期杂音
C. 胸骨左缘第2肋间收缩期杂音,肺动脉瓣第二音减弱
D. 胸骨左缘第3~4肋间收缩期杂音
E. 胸骨左缘第2肋间收缩期杂音,肺动脉瓣第二音亢进
On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds,which is TRUE?().
A. Danger of heavy ship sweat exists; constant and vigorous ventilation is required
B. There is danger of heavy cargo sweat if outside air is introduced by ventilation
C. There is little danger of ship's sweat,slight possibility of cargo sweat; moderate ventilation is needed
D. The possibility of any sweat problem,either cargo or ship,is remote