Teaching aims and demands

Topics

Inventions;patent applications;great inventors

Vocabulary

Seize straw file current bear helicopter tap triangle distinguish refrigerator glue court dial extension dot version dot version associate competence patent jeep courtyard personnel walnut merciful product stainless powder cubic perfume abrupt cube convenient caution passive expectation merry criterion valid string ripe greengrocer freezing identification innocent directory dynamic rainfall stable lantern practical jam abruptly forehead merrily wire

Call up;beaten track;now and then;apply for a patent;set about;in the expectation;dive into;seize the opportunity to do;set out(to do);distinguish oneself;hang on;cannot bear;out of order;traffic jams;get through;a series of dots;ring back;tap...out;ring off

Sentences

1.here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them.

2.But monitored carefully,the snakes proved to be no trouble and all went according to plan.

3.Every time you do you will be certain to find something that you have never seen before.

4....before you know it, you will have something worth thinking about to occupy your mind.

5.Although he is most often associated with the invention of the telephone,he was indeed a continuing searcher after practical solutions to improve the quality of everybody's life.

6.I'm sorry,but this phone is out of order.