【单选题】下列关于炔烃和烯烃的叙述中,正确的是()。
A.
炔烃和烯烃由于都含有不饱和键,所以化学性质相同
D.
烯烃和炔烃的鉴别试剂是硝酸银或氯化亚铜的氨溶液
【多选题】在泰国旅游时应该注意的禁忌有( )。
B.
购买佛饰时,禁止说购买,必须说”求租、尊请“
【简答题】PLC光分路器内部主要由一个PLC 和两端的 耦合组成。
【判断题】People’s stereotypes of certain group of people usually remain unchanged.
【判断题】Stereotypes are usually based on a visible characteristic such as a person's age, gender, or race.
【简答题】Many people say that negotiating behaviour varies for one culture to another. Americans, they say, is usually open, sociable and informal. For German negotiator, on the other hand, clarity and thoroug...
【判断题】Stereotypes are usually false.
【单选题】Intracultural communication refers to_______
A.
negative attitudes towards other people that are based on faulty and inflexible stereotypes.
B.
the exchange of messages between members of the dominant culture, it is usually applied to communication in which one or both of the participants hold dual or multiple membership.
C.
a learned set of shared interpretations about beliefs, values, norms and social practices, which affect the behaviors of a relatively large group of people.
D.
an idea or opinion formed before enough information is available to form it correctly.
【判断题】Stereotypes of men are usually more positive in societies than stereotypes of women.