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问题

iphone 4是苹果公司推出的时尚新一代智能手机，倍受青年人喜爱。“新一代智能手机”得益于第三次科技革命的推动。第三次科技革命的核心是（   ）

A．航天技术

B．生物工程

C．原子能

D．电子计算机的广泛使用

答案

答案：D

本题考查的是第三次科技革命。第三次科技革命的核心是电子计算机的广泛使用，故选D。

完形填空

Mrs. White works in a children’s hospital. There are many sick children and their parents in it. Mrs. White are friendly to them. She looks after(照料) her patients(病人) very well. Sometimes she gives some food to them. She likes the children and often tells stories to them. She likes to talk with them and play with them.

Mrs. White loves her job. She works hard and she is very busy every day. Sometimes she works late at night, but she’s always happy.

根据上面内容判断正误，正确的写T， 错误的写F。

小题1: Mrs. White is a shop assitant.

小题2: There are many sick children and parents in the children’s hospital.

小题3: Mrs. White gives her patients some food every day.

小题4:She loves working in the hospital.

小题5: She is busy but very happy
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单项选择题

人工设计印刷电路板得设计，设计方法主要有（）.

A.线路观察法、中心点观察法、周边观察法

B.线路观察法、中心点观察法、蚀刻法

C.线路观察法、中心点观察法、覆铜法

D.铺设导条法、周边观察法、裁减法
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