54 mountain bikes
55 terms of sales
56 price
57 reasonable
58. 世界很多地方需要更多的新鲜的水Many parts of the world need more fresh water
59.在一些地方,太阳光不充足或不是每天都能看见太阳In some pht from the sun is not enough or not every day can see the sun
60。那些方法需要大量的资金,但是它们的工作效率比太阳高h than the sun
61.我们的方法都尝试了Our methods are tried
62. 哪一种方法是最好的?What kind of method is thebest?
63我们才能够完成这项任务.We can finish the task
64帮我个忙Do me a favor
65这两个男孩长的很像The two boys are very alike
66过的愉快.Is happy
67尽自己最大努力Do your best
68对我个人来说For me personally
69吸烟对人体健康非常有害。他最终决定戒烟了Smoking is very harmfuive up smoking
70她最终成功了,不是因为她幸运,而是因为她工作努力She finally succeeded, because she is lucky, but because of her hard work
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