Section Ⅱ　Introduction & Reading and Vocabulary -Language Points

　　 for sure(＝for certain)肯定，无疑

　　(教材P2)No one knows for sure，and making predictions is a risky business.

　　谁也说不准，并且猜测也是件冒险的事。

　　(1)be sure about/of 确信；对......有把握

　　be sure to do sth. 一定会做某事；(祈使句)务必

　　(2)make sure 弄清楚；确保

　　①I must go back and make sure (that)I closed the door.

　　我必须回去确认我已经关好了门。

　　【导学号：03532000】

　　②There are two things he is not sure about/of．

　　有两件事他没有把握。

　　③His brother is sure to pass(pass)the 2017 National College Entrance Examination.

　　他哥哥一定能通过2017年的高考。

　　[名师点津]　

　　可以说It is certain that...；但不可以说It is sure that...。

　　 run out用完，耗尽

　　(教材P2)In the future，care for the environment will become very important as earth's natural resources run out.

　　在未来，爱护环境将会很重要，因为地球上的自然资源将濒临枯竭。

[明辨异同]　run out of/run out/give out/use up