Task 3 Read the following paragraph of cause and effect, adding suitable linking expressions.The role of women in today’s society is changing. _____1____ is that women have begun to assert themselves as independent people through the women s movement. ____2_____, women are aware of the alternatives to staying at home. _____3____ is that increasing numbers of women who enter new fields and interests serve as role models for other women. _____4____, men are becoming more conscious of the abilities of women and have begun to view their independence positively.Task 4 选做题（详见PDF附件）