更多“数据流图是用于表示软件模型的一种图示方法，在下列可采用的绘制”相关的问题
电流持续时问越长，电流对人体的危害越严重。
A . 正确
B . 错误
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花瓜花叶病普通烟株病叶叶缘经常向上卷曲，受害严重的叶片，时常在叶基部分出现黄绿色或深绿色疱斑。
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Let me speak first to parents. You are the ones who plant, or fail to plant, the seeds of character ...Why did the author’s mother beat him
A．Because she saw him playing with the lead cowboy.
B．Because his brother informed his mother of his stealing.
C．Because he had been chasing his neighbor’s cats.
D．Because he left the house without having told his mother.
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企业在资产负债表日，对某项劳务，如不能可靠地估计所提供劳务的交易结果，则对该项劳务正确的会计处理是（）。
A . 不确认利润但可能确认损失
B . 既不确认利润也不确认损失
C . 确认利润但不确认损失
D . 可能确认利润也可能确认损失
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液体冷媒之比热较气体冷媒之比热为小，故热传导率较小。
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因为阳床出水显酸性，有腐蚀性，所以容器、管道要进行防腐处理。
A . 正确
B . 错误
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扁豆豆荚肉厚质嫩，但含有毒蛋白等有害物质，故烹饪前应焯水处理。
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项目管理是指把各种系统、方法和人员结合在一起，在规定的时间、预算和质量目标范围内完成项目的各项工作。即从项目的投资决策前进行计划、组织、指挥、协调、控制和评价，以实现项目的目标。（）
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位于泰国曼谷的郑王庙，系供奉华侨后裔、泰王______坐像的皇家寺庙，他于 1768年驱逐侵占泰国的 ______国军队，复兴了泰国。
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A．能行、能散B．能补、能和、能缓C．能收、能涩D．能泄、能燥、能坚E．能软、能下甘味药的功效是
A．
B．
C．
D．
E．
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(15 minutes)Directions :Read the following text. Choose the best word or phrase for each n
(15 minutes) Directions : Read the following text. Choose the best word or phrase for each numbered blank and mark A , B, C or D on ANSWER SHEET1. In addition to the established energy sources such as gas ,coal ,oil and nuclear ,there are a num-ber of other sources that we ought to consider. Two of these are hydroelectric and tidal power. These two sources are (21) in that they are both renewable. (22) ,hydropower is more widely used than tidal.ln (23) ,a substantial amount of electricity is already produced in HEP (hydroelectric power)stations worldwide, (24) tidal stations are stillin the very early (25) of development. . As far as geographical (26) is concerned ,HEP projects are to be found on lakes and rivers, whiletidal (27)are constructed only at river mouths where tidal (28) is great .Unfortunately these are (29) in number. At present HEP stations are found mainly in Norway ,Canada ,Sweden and Brazil ,whereas tidal plants are in (30) in France ,Russia and China. As regards capital (31) ,both require very high..investment. On the other hand ,generating(32) are quite low in both cases .ln fact,a large scale HEP plant is capable of producing power more (33) than conventional sources ,such as coal ,oil and nuclear plants. Tidal power also com-pares (34) with nuclear and oil generated electricity, (35) the amount of money on production. (36) HEP stations ,tidalconstructions have alonglife (37).Itis estimated thatthey can operate foroverl00 years. With respect to (38) 0f supply ,tidal stations (39) from HEP ones in that they often can only supply power (40). HEP stations ,however ,provide a constant supply of elec-tricity. 21. [ A] compatible [ B ] parallel [ C] similar [ D] identical
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关于漏斗形骨盆，下列叙述正确的是（）。
A.坐骨棘间径<10cm
B.坐骨结节间径<8cm
C.耻骨弓角<90°
D.骶耻外径<18cm
E.出口横径和后矢状径之和<15cm
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成本按习性进行分类,将直接材料 . 直接人工和变动制造费用三项数额合计后可统称为( )
A. 变动成本 B. 变动生产成本 C. 变动销售成本 D. 制造成本
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