双带卧式割台中，禾秆的放铺角可看作是三个转角的合成，三个转角分别是（）、（）和（）

阅读短文，根据短文内容及首字母提示，在空白处填入一个适当的单词。

One day a farmer’s donkey (驴) fell down a well (井). The animal cried for hours as the farmer tried to find a way to get it out. Finally, he d____86____ to give up the animal, because it was very old and the well needed to be covered up.

He invited all of his neighbours to come and help him. They all began to fill the well w____87____ dirt (泥土). The donkey realized what was h____88____ and began to cry. Then, to everyone’s surprise, it became quiet.

A few minutes l____89____, the farmer finally looked down the well. He was a____90____ at what he saw. With each shovel (铲) of the dirt that hit its b____91____, the donkey shook it off and took a step up.

As the farmer’s neignbours went on to shovel dirt on top to the animal, he s____92____ shook it off and took a step up. Pretty soon, the donkey h____93____ got out.

Life is going to shovel dirt on you, all kinds of dirt. E____94____ of our troubles is stepping stone. You can g____95____ out of the deepest well just by not stopping and never giving up! Shake (摇) it off and take a step.

在财产保障业务领域内，可以介入的后备基金形式有()。

A.集中型的后备基金

B.互助型和自保型后备基金

C.保险基金

D.社会保障基金

线性尺寸标注是最常用的尺寸标注方式，包括（）。

A、水平标注

B、公差标注

C、对齐标注

D、基线标注

E、连续标注

SPA协同凝集试验中的抗体类别是（）

A.IgM

B.IgG

C.IgA

D.IgE

E.IgD

下列选项有关PCCPCH的C/I的说法正确的是（）

A、C/I是一个直接反映干扰大小的指标

B、C/I数值上等于PCCPCH信道的接收载波功率RSCP与接收到的干扰信号的功率的比值

C、C/I是一个直接反映移动台距离基站大小的指标

D、此数据主要反映信号覆盖情况有无弱场问题