幼年发病，在鼻唇沟处对称出现正常皮色的坚固丘疹，病理见许多毛 * * 样结构和角囊肿，周边

先阅读短文，掌握其大意。然后从方框中所给的词中选出恰当的10个，并用其适当形式填空，每个词限用一次。（每小题1分）

something,  write, when, gift, understand, member,          

birthday,  lucky,  easy, like,  different,  secret.            

If your birthday is coming, what presents will your parents buy for you? It's not    小题1:  for Chinese parents to choose a birthday present for their children. Many American parents also have the same problem .But    小题2:   they have got American girl—an American company. It is famous for its beautiful dolls. Though there are many famous dolls in the world. American girl dolls are becoming one of the most popular birthday    小题3:   for girls.

What makes American girl dolls so popular among girls ? The    小题4:   is in her matching (相配的)hair, skin, eye color, clothing and so on. That is to say, there are    小题5:   kinds of dolls for buyers to choose and the dolls look   小题6:  their owners. The company hopes their dolls can make girls   小题7:  that it is OK to be different from others.

The company gives each American girl doll her own name and special background. They also invite writers to    小题8:  books about her. The stories in the books are mainly about different periods of American history. So    小题9:   the girls are playing with their dolls, they can get a lot of fun and they can learn    小题10:  about history, too. "

如何理解物流的定义与职能？

分层数据流图是一种比较严格又易于理解的描述方式，它的顶层图描述了系统的（）

A.细节

B.输入与输出

C.软件的作用

D.绘制的时间

压力变送器按其动力分为（）压力变送器

A、气动和液压

B、气动和电动

C、液压和电动

D、磁动和电动

对具有静稳定性的飞机，向左侧滑时其机头会（）

A.保持不变

B.向左转

C.向右转

D.转向不定