产品的进化规律满足一条S形的曲线，S曲线的意义在于（）。 A.仅指导创新者在产品的某

填空。

     Finally, we arrived at the World Park. The sky was blue and __1__ was beautiful. We became very

 __2__ when we saw the model Eiffel Tower from the coach! It is made of __3__ and really tall. When

  the coach stopped, we all got off quickly. Kitty and I didn't feel __4__ any more. We just wanted to go

  into the park and enjoy__5__ . Then the real __6__ came, like bombs under the ground. The earth

 started to __7__ . People ran in all __8__ . They did not know where to go. Some people ran out of the

  shopping __9__ . I tried my best to run to the street too. People were running wildly while pieces of glass

  and bricks were __10__  down. Then the walls began to come down, too.

境外合法制药厂商由其驻中国境内的办事机构办理进口药品注册的是

A．最高人民法院
B．高级人民法院
C．中级人民法院
D．基层人民法院
E．被告

腺垂体功能减退症的患者在治疗过程中应禁用或慎用（）

A.利尿剂

B.氢化可的松

C.麻醉剂

D.催眠药

E.胰岛素

13.比较京津唐地区和长江三角洲地区城市和工业分布图，简要叙述和评价这两个地区工业部门的差异和发展工业的条件。

(1)工业部门的差异：京津唐地区　　　　　　__________；长江三角洲地区　　　　　　__________。

(2)两地区发展工业共同的有利条件　　　　　　__________________________。

(3)两地区发展工业在自然资源条件，经济因素方面的差异：①京津唐地区　　　　　　____________________________；②长江三角洲地区　　　　　　____________。

当一个类A中没有声明任何成员变量与成员函数，这时sizeof（A）的值是多少，如果不是零，请解释一下编译器为什么没有让它为零。