Our ancestors（祖先）made the old saying that friends____(be) like wine-the older,the better.Because of that, many people think old friends to be____(important) than new ones.For example,if two pieces of advice are given to solve a problem,one from a new friend and the other from an old friend,people always prefer to choose the latter one,____the new friend's advice may be better.

    ____(disagree) with the old saying,I believe that new friends are not____(necessary) worse than old friends. Why?Because the____(long) of time cannot tell whether your friendship is better or not.

    Once you call someone friend,he must be a person who is____(rely) and whose interests are in common with____(you).Maybe a friend's outside look____(change) all the time,but the inside characters of him and his interests won't change at all.It is just these unchangeable characters and interests that make him a friend to you.____,there is no difference between old friends and new ones on this point.

读《世间最美的坟墓》，填空

本文是作者1928年在____旅行时，在伟大作家____墓前感受的真切描述，从字里行间我们可以看到这位奥地利公民茨威格对伟人的崇敬之情。

气体的实验室制取是学生必备的基本实验技能，请根据下列装置，回答问题：

下列体现自尊的是（    ）