问题 问答题 简答题

古树养护管理的一般措施包括哪些?

答案

参考答案:

一般养护与管理措施

①支撑加固

②树干疗伤、树洞修补

③设避雷针

④防治病虫害

⑤•灌水、松土、施肥

春季、夏季灌水防旱,秋季、冬季浇水防冻,灌水后应松土,保墒,增加透气性。⑥树体喷水用喷水方法以清洗树体上的灰尘。

⑦整形修剪

⑧设围栏、堆土、筑台

⑨立标示牌

单项选择题

Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (51) to how they can be best accommodate such changes. Growing bodies need movement and (52) , but not just in ways that emphasize competition. Because they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (53) that comes from achieving success and knowing that their accomplishments are admired by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (54) to plan activities in which there are more winners than losers, for example, publishing newsletters with many student-written book reviews, (55) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide multiple opportunities for leadership, as well as for practice in successful (56) dynamics. Making friends is extremely important to teenagers, and many shy students need the (57) of some kind of organization with a supportive adult (58) visible in the background.

In these activities, it is important to remember that the young teens have (59) attention spans. A variety of activities should be organized (60) participants can remain active as long as they want and then go on to something else without feeling guilty and without letting the other participants down.

58().

A.particularly 

B.barely 

C.definitely 

D.rarely

单项选择题