等边三角形的内切圆半径、外接圆半径和高的比为（ ）。

从方框中选出适当的动词并用其适当形式填空。有的需要加助动词或不定式符号。

        take    fall    be   find  drive    

I am a taxi driver in London. I 91_____________ a taxi driver for nearly ten years. It’s a nice job most of the time. I alwaysworkat night, because there is too much traffic during the day.

At 11 pm last Sunday，I 92 ______________a woman home from a party. She had her little dog with her. When we got to her house, she found that she lost her key. So I waited in the car with the dog and she climbed in through the window.”

I waited and waited. After half an hour, I decided 93______________ out what was going on. I tied the dog to a tree and started to climb in through the window. The next thing I knew was that the police came. They thought I was a thief. Luckily the woman came downstairs. She         94 _____________ asleep and forgot about the dog and me!

“Thank you for coming in time, or I will 95______________ to the police station.” I said to her.

计算硬件系统中，Cache是指( )。

A．只读存储器

B．可编程只读存储器

C．可擦除可再编程只读存储器

D．高速缓冲存储器

Guillain-Barre综合征的急性期治疗哪些是正确的（）

A.主要采取对症及支持疗法

B.呼吸肌麻痹可使用呼吸机辅助呼吸

C.重症病例可用大剂量免疫球蛋白静脉滴注

D.急性期采有大剂量皮质激素冲击疗法

E.重症病例可采用血浆交换疗法

科学思想与哲学都是由人创造的并为人服务的，以人为本是二者共同的出发点和共同的归宿。正因为科学思想和哲学的主体都永远是人，因而二者都深深地打上了主体的烙印，从它们诞生那天起一直到现在和未来，都既散发着人类智慧的光芒，又闪烁着人性的光辉，都是科学性与人性的统一，主体的同一性决定了科学思想与哲学具有不可分割的密切关系。
这段话力求表明的观点是( )。

A．科学思想和哲学都是科学性与人性的统一
B．科学思想和哲学的主体都永远是人
C．科学思想和哲学的密切关系是由主体的同一性决定的
D．科学思想和哲学都是由人创造的并为人服务的

（）和散点法是常用的测深点布设方案。

A、特征点法

B、交会法

C、断面法

D、GPSRTK法