Many____pots in excavation (挖掘)sites are invaluable and should be well-preserved.(earth )

Topic: According to the author of “Are You Giving Your Kids Too Much?”，what is the right attitude parents should take when denying children, s excessive requests? 

You should follow the outline given below： 

(1) The right attitude. 

(2) The importance of it. 

(3) Children’s response to it.

出生人口的数量并没有像死亡人数那样下降。

公司越来越多地借助高科技来保护计算机的安全。

他的长寿秘诀是以乐观的态度面对可能出现的问题。

我们谁也没能找出解决问题的办法，最后还是老张师傅想出了个主意。

我曾就读的中学的设施和教师的水平高于一般水准。

Her six-yearold daughter is a very_______girl. She always insists on making her own decisions. (dependent)

The powdered milk was actually____________when mixed with unclean water, (danger)

Some experts ____believe that ancient Greece and Rome are vital sources of learning.(true)

What is considered moral in one society may be___________in another, depending on different social values. (moral)