题干

冬天,医生检查患者牙齿时,常把小镜子放在酒精灯上适当烤一烤,然后再伸进患者口腔内,这样做的主要目的是(   )

A:防止镜子接触患者口腔时患者感到太冷

B:进行消毒

C:镜面不会产生水雾,可以看清牙齿

D:防止镜框受热膨胀,致使镜片脱落

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答案(点此获取答案解析)

C

同类题4

阅读短文,根据短文内容完成表格内容。

Steve Jobs was famous for starting Apple Computers. In a speech to graduating students at Stanford University, Jobs told students about some of life-changing experiences. Jobs believed these experiences helped him achieve success.

Job's biological mother was a college student. As a young mother, she felt unable to bring Jobs up so she put him up for adoption. Job's adopted parents were simple working-class people. When Jobs was 17, his parents used their saving to send him to college.

After six months of college, Jobs decided it was not for him. Around that time, he had read a quotation that went something like,“If you live each day as if it was your last, someday you’ll most certainly be right.”The quotation made him think about his life and his future. He started to question if he should stay in college. Was he doing what he really wanted to do? Eventually, he decided he had to change something; he decided to drop out of college.

Jobs was lucky because he knew what he loved to do. He started Apple Computers in his parents’ garage with a friend when he was 20.  In just ten years, Apple grew into a $2 billion company. However in 1985, Jobs was fired from the company.

Jobs was shocked. He lost everything at once. He quickly realized that he still loved what he did, and over the next five years, he started two highly successful companies. next and Pixar. Jobs also met his future wife, Laurence. Jobs was happily married with a family, working for Apple again and living every day as if it were his last.

             

Paragraph 1

Steve Jobs was famous for starting Apple Company. He believed that ____ helped him achieve success.

Paragraph 2

Jobs’adopted parents were simple working-class people. They ____  that they could only use their savings for Jobs’ college education.

Paragraph 3

A quotation made Jobs think about his life and his future. After six months of college, Jobs didn't think ____  and he decided to leave college.

Paragraph 4-5

After ____  of firing from Apple, quickly Jobs realized he still loved what he did and started two highly successful companies.

Conclusion    

According to Jobs’ story, if we want to achieve success, we should make a right decision, do what we love, never give up and ____