“你依然期望辉煌伟大的一生，那么就应该从今天开始，以毫不动摇的决心和坚定不移的信念，凭自己的智慧和毅力，去创造你和人类的快乐。 ”这句话告诉我们（ ）
①生命价值在于能为他人带来快乐，为社会作出贡献 ②坚强意志和坚定信念是实现理想的重要保证
③挫折能增强才干和智慧，挫折越多越利于成功 ④事业的成功需要我们脚踏实地、坚持不懈
18世纪的法国，越来越多的人不再盲从统治者的说教，学会了用自己的头脑思考问题。他们思考的问题与文艺复兴、宗教改革时期相比，突出表现在（ ）
某注射用药液的配制方法如下
（1）把1.0g药品溶于水配制成5.0mL溶液a；
（2）取0.1mL溶液a，加水稀释至1.0mL，得溶液b；
（3）取0.1mL溶液b，加水稀释至1.0mL，得溶液c；
（4）取0.2mL溶液c，加水稀释至1.0mL，得溶液d；
在整个配制过程中药液很稀，其密度可近似看做1g/cm3，则1.0g药品一共可配制溶液d的体积是（ ）
Sometimes, there is only one step between failure and s____.
In recent years advances in medical technology have made it possible for people to live longer than in the past. New medicines and machines are developing every day to extend life. However, some people, including some doctors, don't agree with these life extending measures, and they say that people should have the right(权利)t o die when they want, They say that the quality of life is as important as life itself, and that people should not be forced to go on living when conditions of life have become unbearable. They say that people should be allowed to die with dignity(尊严) and to decide when they want to die. Others don't agree and say that life under any conditions is better than death and that the duty of doctors is always to extend life as long as possible. And so the quarrel goes on and on without a definite(明确的) answer.
