两个以上的申请人分别就同样的发明创造申请专利的，专利权授予( )。 A．最先使用的

根据短文内容填空。

Dear Helen,

      I'm on the farm in America now. Every day it's sunny and warm. There are a lot of children on the farm.

I work and play games with them. Now I'm writing the letter in the house. Jack is learning to swim. Terry is

lying (躺) in the sun. John is reading a newspaper and some children are playing football near the house. We

are going to milk cows tomorrow, so we have to get up earlier tomorrow morning.

      We enjoy (享受) the holiday very much.

      See you soon.

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　Love,

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　Janet

1. _____________ is in America now.

2. It's _____________ and _____________ there every day.

3. Janet _____________ _____________ a letter in the _____________.

4. The children are on _____________ on the _____________.

5. They are going to _____________ _____________ tomorrow. So they should get up _____________.

把一个底面直径6分米的圆柱体，截去一个高3分米的小圆柱体，原来的圆柱体表面积减少了______平方分米，体积减少了______立方分米．

弯曲是把毛坯按规定的轮廓处理成弯曲形状。弯曲方法有（）和（）两种。

计重收费的计算方法中，要考虑的因素包括以下（）

A、计费质量

B、计费费率

C、计费轴数

D、计费里程

判定下列哪项是职业病

A．某工人路过化工厂时发生硫化氢中毒
B．某木材加工厂工人患铅中毒
C．某三硝基甲苯装卸工工作10年患白内障
D．煤矿井下工人井下作业10年患风湿性关节炎
E．接触苯5年后患神经衰弱症