4. Like many students, Charles Darwin excelled only in subjects that intrigued him.
Although his father was a physician, Darwin was uninterested in medicine and unable to
stand the sight of surgery. He eventually obtained a degree in theology from Cambridge
University, although theology too was of minor interest to him. What he really liked to do
was to tramp over the hills, observing plants and animals, collecting new specimens,
scrutinizing their structures, and categorizing them.
4.1 The author’s purpose is to ……………………………………….
4.2. Choose the word that best expresses the writer’s tone.
a. complaining
b. factual
c. confident
d. calm