题目内容：

Famous Scientists

Scientific discoveries over the centuries have helped shape the way we live today. Without pioneering scientists working towards cures for diseases, new inventions, and better ways to do things, life today would be different. Here are some of the most famous scientists, who have made important contributions to our everyday lives.

Hippocrates

Nationality: Greek

Known for: Father of Medicine

He was credited with writing the Hippocratic Oath that today’s medical professionals still follow in their practice. He had the theory of the vapors, which stated that many diseases were the result of a bad diet.

Aristotle

Nationality: Greek

Known for: Theory of Three Psyches, Scientific Method

He wrote about many scientific topics, including biology, physics and zoology. His ideas helped shape western scientific thoughts into the Renaissance until they were replaced with Newtonian physics.

Archimedes

Nationality: Greek

Known for: Archimedes Principle, Archimedes Screw

He was an astronomer, a scientist, and a physicist with several inventions to his name. He created a formula (公式) to calculate the area of the underside of a parabola (抛物线). He also designed many ancient machines.

Galen

Nationality: Roman

Known for: Father of Medicine

Galen was best known as Galen of Pergamon. He was a famous philosopher and surgeon among the Romans. His works contributed greatly to the knowledge of pharmacology (药物学), logic and philosophy.

1.Which Greek scientist contributed much to medicine?

A.Galen. B.Aristotle.

C.Archimedes. D.Hippocrates.

2.What was Aristotle’s achievement?

A.He influenced western scientific thoughts.

B.He designed lots of ancient machines.

C.He invented many chemicals.

D.He produced the theory of the vapors.

3.What did these scientists have in common?

A.Having good luck in the field of science.

B.Making important contributions to science.

C.Writing many poems about science.

D.Experiencing many difficulties.