Which of the following CANNOT be inferred from the passage A: The division of sex-defined roles is completely unacceptable. B: Women's roles in work are too limited at present. C: In one society, men might perform what is considered women's duties by another. D: Some of the women's roles in domestic duties cannot be taken over by men.

______ means the level for which further specific protective security measures shall be maintained for a limited period of time when a security incident is probable or imminent, although it may not be possible to identify the specific target.

Besides those of receptionist, Jane’s also include answering the phone and typing letters. ( ) A: impressions B: workplaces C: duties D: suggestions

Employers may _______ duties to give staff wider experience.

词汇与结构 These problems may cause limited ________ (bank angle/turns), limited or no flap setting, limited bank angle and so on.