run out of 意为"用完了"，是及物动词短语，表示主动意义，主语一般是人。 run out 意为"......用完了"，是不及物动词短语，其主语通常是物(时间、食物、金钱等)。 give out "用尽；精疲力竭"，可以表示人的力气"用完"或者人"筋疲力尽"，为不及物动词短语。 use up 意为"用完；消耗尽"，为及物动词短语，相当于run out of。 　　　(run out of/ run out/ give out/use up)

　　①My money has ，so I can't afford to buy this book.

　　②I have my money，so I can't afford to buy this book.

　　【答案】　①given out/run out　②run out of/used up

　　 (教材P2)We will also have to rely more on alternative energy，such as solar and wind power.

　　我们也将不得不更多地依赖于替代能源，例如：太阳能和风能。

　　(1)rely on依靠；依赖；信任；信赖

　　(1)rely on sb.to do sth.＝rely on sb./sb.'s doing sth.

　　 依靠某人做某事

　　(2)rely on it that... 相信......，指望......

　　(3)reliable adj. 可信赖的，可靠的

　　①We rely on him to finish/finishing(finish)the work today.

　　＝We rely on his finishing(finish)the work today.

　　我们指望他今天能完成这份工作。

　　②You may rely on it that he will come to meet you.

　　你放心好了，他会来见你的。

　　[名师点津]　rely on it ＋ that 从句中，it是形式宾语，真正的宾语是后面的that从句。有此用法的词(短语)还有：like/hate/appreciate/see to/depend on。

(2)alternative adj.替换的；供选择的 n．可供选择的事物