【单选题】矩形度反映了目标对其外接矩形的充满程度,可用目标的面积与其最小外接矩形的面积比值来描述,当比值为1时,说明( )
【多选题】人民美好生活需要日益广泛,不仅对物质文化生活提出了更高要求,而且在( )等方面的要求日益増长。
【简答题】精密称取对乙酰氨基酚15.56mg,置100ml量瓶中,加0.4%氢氧化钠溶液20ml溶解后,加水至刻度,摇匀,精密量取5ml,置100ml量瓶中,加0.4%氢氧化钠溶液10m1,加水至刻度,摇匀,照分光光度法,在257nm的波长处测得吸收度0.554,按对乙酰氨基酚的百分吸收系数为715计算其百分含量。
【单选题】周某,现年 9 周岁,看到很多中学生用 MP3 听音乐很是幕。有一天趁父母不在家,从家里拿了 500 元去超市买了一款 MP3 ,父母回家后批评了周某的行为并去超市要求退货。你认为超市
B.
应该无条件退货,因为周某属于无民事行为能カ人,他的买卖行为是无效的
【多选题】人民美好生活需要日益广泛,不仅对物质文化生活提出了更高要求,而且在( )等方面的要求日益增长。
【简答题】精密称取对乙酰氨基酚15.56mg,置100ml量瓶中,加0.4%氢氧化钠溶液20ml溶解后,加水至刻度,摇匀,精密量取5ml,置100ml量瓶中,加0.4%氢氧化钠溶液10m1,加水至刻度,摇匀,照分光光度法,在257nm的波长处测得吸收度0.554,按C8H9NO2的百分吸收系数为715,计算百分含量。
【多选题】Which of the following examples support the idea that traditions and customs of different cultures are transmitted by communicating through a commonly used language.
A.
With English as a lingua franca, a French can talk with a Chinese at a pub in Berlin.
B.
An exchange student in MIT from Hunan, China, who talks about Lao Gan Ma chilli sauce in English, is transmitting Hunan cuisine culture.
C.
During the Rio Olympic s, athletes and tourists from all over the world can talk in English about their own liveliest festivals when enjoying the Rio carnival march.
D.
An Egyptian businessman can negotiating a contract by using English in a English-speaking country.
【单选题】Which of the following examples support the idea that a bridge language makes it possible to communicate between people from different cultures?
A.
An exchange student in MIT from Hunan, China, who talks about Lao Gan Ma chilli sauce in English, is transmitting Hunan cuisine culture.
C.
With English as a lingua franca, a French can talk with a Chinese at a pub in Berlin.
D.
During the Rio Olympic s, athletes and tourists from all over the world can talk in English about their own liveliest festivals when enjoying the Rio carnival march.