一只挂钟的分针长8厘米，从2时到5时，分针尖端走过的路程是多少？

阅读小天地。

      Jim is my friend. He lives in America. There are five people in his family: his father, mother, sister and

brother.

      His father is Mr. Smith. He is forty-one years old. He is a doctor. Jim's mother is a bus driver. She is forty

years old. His sister's name is Rose. She is older than Jim. His brother, Bob is younger than Jim.

      Jim and his brother look different. Jim has black hair and blue eyes, but his brother has brown hair.

根据短文内容，判断下列句子的正(T)误(F)。

( ) 1. Jim is an American.

( ) 2. Jim's father has 3 sons.

( ) 3. Jim's mother is forty-one years old.

( ) 4. Jim's sister is younger than Jim's brother.

( ) 5. Bob has brown hair.

( ) 6. The two boys look the same.

电力场效应管是如下哪一个。（）

A.IGBT

B.GTO

C.MOSFET

D.IGCT

老人说：土地失去水分滋润会变成沙漠，人心没有情感滋养会变得荒芜，不知感恩的人，注定是个______的人。不知关爱别人，______给他阳光，日后也不会放射自身的温暖，且也不配得到别人的爱。

A．冷漠自私 纵使

B．脆弱不堪 就算

C．贪得无厌 假设

D．心胸狭窄 假使

我国卫生部发布的《旅店业卫生标准》（BG9663-1996）不包括（）。

A.小气候

B.氨

C.噪声

D.二氧化碳

E.新风量

手工造型适宜于（）。

A、单件小批量生产

B、成批大量生产

C、均可