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　　Science has always been a driving force in human progress. From the invention of the wheel to the discovery of space, science has revolutionized our way of life.

　　One of the most remarkable achievements of science is the development of modern medicine. Diseases that were once fatal can now be cured with the help of vaccines and antibiotics. Surgical procedures have become safer and more effective, saving countless lives.

　　Moreover, science has greatly expanded our understanding of the universe. Astronomers use telescopes to observe distant galaxies and planets, revealing secrets of the cosmos. Physicists explore the fundamental particles that make up our world, unlocking the mysteries of matter and energy.

　　But the power of science is not just limited to medicine and astronomy. It has also transformed our daily lives. technology has brought us smartphones, computers, and the internet, connecting us to the world in ways never before imagined.

　　However, with great power comes great responsibility. Scientists must use their knowledge ethically and responsibly, ensuring that their discoveries benefit society and do not harm the environment.

　　Questions：

　　1、Science has revolutionized our way of life mainly through ________.

　　A. the invention of the wheel

　　B. the discovery of space

　　C. the development of modern medicine

　　D. the use of telescopes

　　2、Before the discovery of vaccines and antibiotics, some diseases were ________.

　　A. easily cured

　　B. not fatal

　　C. difficult to treat

　　D. preventable

　　3、Astronomers use telescopes to ________.

　　A. observe distant galaxies and planets

　　B. understand the fundamental particles

　　C. develop modern medicine

　　D. connect people worldwide

　　4、According to the passage, what has science transformed besides medicine and astronomy?

　　A. The way we communicate.

　　B. The way we travel.

　　C. The way we work.

　　D. The way we eat.

　　5、What responsibility do scientists have according to the passage?

　　A. To invent more useful machines.

　　B. To explore the universe endlessly.

　　C. To use their knowledge ethically and responsibly.

　　D. To discover secrets of the cosmos.