It is an international practice that tax stimulation and tax preference are exercised to support and promote high technology and hi-tech industry so as to increase the proportion of science and technology,and strengthen the competitiveness, in the national economy.

The paper shows application of the encouraging evaluation in high school English teaching.

For the sake of this purpose, some problems should be solved by changing the old educational ideas, evaluating students in higher vocational colleges properly, carrying out encouraging evaluation to make students more confident, paying more attention to aggrandizement and transference to inspire students potential, reforming teaching .

We should change old concept first, then base our teaching on the principle of lower starting point,smaller steps,more activities, faster feedback , and practise the pattern of Teaching level by level and Encouraging Evaluation.

According to the purpose, teacher s guide involves the following four parts: inspirative guide, encouraging guide, precedent guide, explorative guide.