微型繁殖过程中，适宜浓度的生长素单独使用可诱导试管苗（）而与（）配比适宜时可促进芽的

修改病句。

1．这是一个美丽的漂亮的大公园。  

2．他是三年级的学生一名。

国务院专利行政部门对发明专利申请经初步审查认为符合专利法规定要求的，自申请日起满( )即行公布。

A．6个月

B．12个月

C．18个月

D．20个月

储值卡的面值或卡内币值不得超过（）元人民币。

A、1000

B、2000

C、3000

D、4000

a. How could I excite my students and show my warmth, so that they could enjoy their study in English I had a deep thought. b. In order to save my face,I just criticized them seriously whenever they talked in class or even moved a little c. It was smile. There was a kindness called smile. It was the most beautiful language in the world. It could make distance disappear. d. Then I realized my frozen eyes made the students seared and my aerious face took any excitement away from the children’s hearts. e. The next day,I stood on the stage with a smiling face, asking questions with a smile and encouraging the children in a friendly way. I could find happiness and excitement in their eyes ! f. I could control the class now, but the atmosphere became strange. No, they were not listening to me. g. It was too quiet. The breathless silence urged me to consider the way I was teaching. h. I remember,five years ago, when I stood at the teacher’s desk for the first time, the students in my class paid no attention to me,didn’t behave themelves at all. I felt helpless. i. Gradually,they got used to my smile and encouragement. The class became a lovely one. I was moved,and said , "Thank you for listening,boys and girls!" j. "Just awake the students with a smiling face"I said to myself.

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配制发酵料应注意哪些问题？