植物嫁接成活的最重要技术要点是()
A.枝条不能太长
B.萌芽条要少
C.砧木不能太小
D.形成层对齐
参考答案:D
我跟老师学说话。
例:小鸭自己去游泳。
1.弟弟自己__________________。
2.我自己____________________。
3._______自己_______________。
Directions.
A. Study the following picture carefully and write an essay of about 160--200 words.
B. Your essay must be written clearly on the ANSWER SHEET 2.
C. Your essay should meet the requirements below:
1) Describe the drawing,
2) interpret its meaning, and
3) point out its implications in our life.