IN 1960 JOHN F. KENNEDY BECAME THE YOUNGEST MAN EVER TO ELECT PRESI...

Câu 40: In 1960 John F. Kennedy became the youngest man ever to elect president of theUS. A B C DRead the following passage and mark the letter A, B, C or D on your answer sheet toindicate the correct answersIt takes a long time to raise a family of owlets, so the great horned owl begins early inthe year. In January and February, or as late as March in the North, the male calls to thefemale with a resonant hoot. The female is larger than the male. She sometimes reaches abody length of twenty-two to twenty-four inches, with a wingspread up to fifty inches. Toimpress her, the male does a strange courtship dance. He bobs. He bows. He ruffles hisfeathers and hops around with an important air. He flutters from limb to limb and makesflying sorties into the air. Sometimes he returns with an offering of food. They share therepast, after which she joins the dance, hopping and bobbing about as though keeping time tothe beat of an inner drum. Owls are poor home builders. They prefer to nest in a large hollowin a tree or even to occupy the deserted nest of a hawk or crow. These structures are large andrough, built of sticks and bark and lined with leaves and feathers. Sometimes owls nest on arocky ledge, or even on the bare ground. even to occupy the deserted nest of a hawk or crow.These structures are large and rough, built of sticks and bark and lined with leaves andfeathers. Sometimes owls nest on a rocky ledge, or even on the bare ground. The mother laystwo or three round, dull white eggs. Then she stoically settles herself on the nest and spreadsher feather skirts about her to protect her precious charges from snow and cold. It is fiveweeks before the first downy white owlet pecks its way out of the shell. As the young birdsfeather out, they look like wise old men with their wide eyes and quizzical expressions. Theyclamor for food and keep the parents busy supplying mice, squirrels, rabbits, crayfish, andbeetles. Later in the season baby crows are taken. Migrating songsters, waterfowl, and gamebirds all fall prey to the hungry family. It is nearly ten weeks before fledglings leave the nestto search for their own food. The parent birds weary of family life by November and drivethe young owls away to establish hunting ranges of their own