1.It is only when these measures are put into practice that the shortage of water can be solved。
　　 2.Only when a great deal more information has been obtained will it be possible to plan a manned trip to Mars。
　　 3.Only when the old age problem is well handled can we maintain a stable and harmonious society。
　　 4.Under no circumstances shall we give in to pressures or threats imposed by foreign countries。
　　 5.Only when parents confront the problem seriously will the situation in which many children are denied a carefree vacation be reversed。
　　 6.As long as the government and individuals strive hard, there will certainly be a way out for the laid-off workers。
　　 7.Whatever changes are responsible for the rise in divorce rate, one thing is certain: there is a significant change in people’s traditional views of marriage and divorce。
　　 8.In short(In a word/All in all/To sum up)， great efforts should be made to enhance ethic and moral education when high priority is given to the economic development。
　　 9.If people from all walks of life pay enough attention to this problem, our life in the city will certainly be more enjoyable。
　　10.Judging from all evidence offered (From what has been discussed above)， we can safely come to the conclusion that coeducation is beneficial to the psychological and intellectual growth of both boy and girl students。
　　 1。只有當(dāng)這些措施付諸實踐時，水資源的短缺才能得到解決。
　　 2。只有當(dāng)更多的信息獲得時，才有可能籌劃載人登月旅行。
　　 3。只有當(dāng)老齡問題得到很好的解決，我們才能保持一個穩(wěn)定和諧的社會。
　　 4。在任何情況下，我們都不能屈服于國外的壓力或威脅。
　　 5。只有當(dāng)家長們認真對待這個問題時，孩子們被剝奪無憂假期的局面才能得以改正。
　　 6。只要政府和個人都努力，就一定能為下崗工人找到出路。
　　 7。不管離婚率上升的原因是什么，有一點是肯定的：人們對婚姻和離婚的傳統(tǒng)觀念發(fā)生了巨大的變化。
　　 8�？傊�，當(dāng)我們優(yōu)先發(fā)展經(jīng)濟的時候，也要做出巨大努力來提高倫理道德的教育。
　　 9。如果社會各個階層的人們都能足夠地重視這個問題，我們的城市生活將會變得更美好。
　　 10。綜上所述，我們可以得出這樣的結(jié)論：同校教育(coeducation)對男孩和女孩的心理和智力的成長都是有益的。