问题
单项选择题
( )是指较大较隆重的场合,为表示敬重和友好而举行的规范化、程式化的仪式。
A.礼节
B.礼貌
C.礼仪
D.礼俗
答案
参考答案:C
( )是指较大较隆重的场合,为表示敬重和友好而举行的规范化、程式化的仪式。
A.礼节
B.礼貌
C.礼仪
D.礼俗
参考答案:C
We have known for a long time that flowers of different plants open and close at different times of day. This is so 1 that there seems to be no need to ask the reason for it. Yet no one 2 understands why flowers open and close like this at particular times. The process is not as 3 as we might think, as recent experiments have shown. In one study, flowers were kept in constant 4 . We might expect that the flowers, without any information about the time of day, did not open as they 5 do. As a matter of fact, they 6 to open at their usual time. This suggests that they have some mysterious(神秘的) way of k ![]() This 9 may not seem to be very important. However, it was later found that not just plants but also 10 , including man, have this “inner clock” which 11 the working of their bodies and influences their activities. Men, then, are also influenced by this mysterious 12 . Whether we wish it or not, it affects such things in our life as our need for sleep, our need for food. In the past, this did not really 13 because people lived in natural condition. In ![]()
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