Objective To analyze the fertilization rate and pregnancy rate of IVF-ET patients with primary infertility and infer the feasible insemination method for these patients.

The characteristics and teaching method of specialty English were introduced, the content of the textbook, teaching mode and how to test were discussed in the paper.

According course feature,some questions are investiga- ted,such as teaching content adapting to the needs of architecture environmental and equipment engineering specialty,teaching way,teaching method and course practice and examination way.

Objective:To study the effect of self-and cross-pollination methods of Trollius chinensis.

Aiming at the situation of music education in teacher college in recent years,the author has made some reformation in teaching methods,contents and styles of accordion education,and gives a careful statements on the method about development and measure of accordion course.