The format was 8)______________ in the United States

George Washington was the first president of the United States.

A．Y

B．N

C．NG

Maria Mitchell(1818-1889,the first woman astronomer( 天文学家)in the United States, was born in Nantucket. Massachusetts. Her parents valued education and insisted on giving her the same quality of education that boys received.

Her father. William Mitchell, was an astronomer and teacher himself. When he built his own school, Maria became a student and also a teaching assistant to him. At home. Marias father taught her to watch the stars and other natural objects in space using his personal telescope(望远镜).

Later she went to work at the library of the Nantucket Atheneum. Over the next tweny years. she further developed her interest in reading as many books as she could.She spent her nights watching the sky closely with her father.

On October 1, 1847,Maria discovered a comet( 彗星 )by merely using a two-inch telescope. Some years before, King Frederick VI of Denmark had set up prizes to each discover of a"telescopic comet". The prize was to be given to the"first discoverer"of each such comet because comets were often discovered by more than one person.

There was once a question of who should be the winner. As the story goes, francesco de Vico had discovered the same comet two days later, but had reported it to the European vor. She won the prize in 1848 and became a big name the world over. The comet was named“ Miss mitchell&39;s Comet.”

What ean be learnt about Marias parents according to the text?

A.They came from low-income families.

B.They gave Maria equal chance for education

C.They were both astronomers

D.They were both teachers.

When did Franeeseo de Vico discover the comet?A.In1818

B.In1889

C.In1848

D.In1847

What problem did Maria meet with in winning the prize?A.She named the comet on her own

B.She did not use the required telescope.

C.She did not report her discovery in time

D.She discovered the comet with her father

Whe played the most important role in Maria's great achievement?A.King FrederickⅥ

B.Francesco de Vico

C.Her father

D.Her mother

请帮忙给出每个问题的正确答案和分析，谢谢！

The McDonald's is the largest employer in the United States.()

In the United States, the first day nursery was opened in 1854. Nurseries were established in various areas during the【C1】______ half of the 19th century; most of【C2】______ were charitable. Both in Europe and in the U. S. , the day nursery movement received great【C3】______ during the First World War, when【C4】______ of manpower caused the industrial employment of unprecedented numbers of women. In some European countries nurseries were estab- lished【C5】______ in munitions plants, under direct government sponsorship.【C6】______ the number of nurseries in the U. S. also rose【C7】______ , this rise was accomplished without government aid of any kind. During the years following the First World War,【C8】______ , Federal, State, and local governments gradually began to exercise a measure of control【C9】______ the day nurseries, chiefly by【C10】______ them and by inspecting and regulating the conditions within the nurseries.

The【C11】______ of the Second World War was quickly followed by an increase in the number of day nurseries in almost all countries, as women were【C12】______ called upon to replace men in the factories. On this 【C13】______ the U. S. government immediately came to the support of the nursery schools,【C14】______ $ 6,000,000 in July, 1942, for a nursery school program for the children of working mothers. Many States and local communities【C15】______ this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared【C16】______ in day care centers receiving Federal【C17】______ . Soon afterward, the Federal government【C18】______ cut down its expenditures for this purpose and later【C19】______ them, causing a sharp drop in the number of nursery schools in operation. However, the expectation that most employed mothers would leave their【C20】______ at the end of the war was only partly fulfilled.

【C1】

A．latter

B．late

C．other

D．first

In the United States, the first day-nursery was opened in 1854. Nurseries were established in various areas during the (1)_____ half of the 19th century; most of (2)_____ were charitable. Both in Europe and in the U.S. the day nursery movement received great (3)_____ during the First World War, when (4)_____ of manpower caused the industrial employment of unprecedented numbers of women.

In some European countries nurseries were established (5)_____ in munitions plants, under direct government sponsorship. (6)_____ the number of nurseries in the U.S. also rose (7)_____, this rise was accomplished without government aid of any kind. During the years following the First World War, (8)_____, Federal, State, and local governments gradually began to exercise a measure of control (9)_____ the day-nurseries, chiefly by (10)_____ them and by inspecting and regulating the conditions within the nurseries.

The (11)_____ of the Second World War was quickly followed by an increase in the number of day-nurseries in almost all countries, ms women were (12)_____ called upon to replace men in the factories.

On this (13)_____ the U.S. government immediately supported the nursery schools, (14)_____ $6,000,000 in July, 1942 for a nursery-school program for the children of working mothers.

Many States and local communities (15)_____ this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared (16)_____ in daycare centers receiving Federal (17)_____. Soon afterward, the Federal government (18)_____ cut down its expenditures for this purpose and later (19)_____ them, causing a sharp drop in the number of nursery schools in operation. However, the expectation that most employed mothers would leave their (20)_____ at the end of the war was only partly fulfilled.

A．latter

B．late

C．other

D．first

In the United States, the first day-nursery was opened in 1854.@Nurseries were established in various areas during the (1)_____ half of the 19th century; most of them were (2)_____ Both in Europe and in the U. S., the day-nursery (3)_____ received great (4)_____ during the First World War, when (5)_____ of manpower caused the industrial employment (6)_____ numbers of women. In some European countries nurseries were established (7)_____ in munitions (军火)plants, under direct government (8)_____ Although the number of nurseries in the U. S. also rose (9)_____, this rise was accomplished without government aid of any kind. During the years following the First World War, (10)_____, Federal, State, and local governments gradually began to exercise a measure of control over the day-nurseries, chiefly by (11)_____ them and by inspecting and regulating the conditions within the nurseries.

The (12)_____ of the Second World War was quickly followed by an increase in the number of day-nurseries in almost all countries, as women were again called upon to replace men in the factories. On this (13)_____ the U.S. government immediately came to the support of the nursery school, (14)_____ $6,000,000 in July, 1942, for a nursery school program for the children of working mothers. Many States and local communities (15)_____ this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared for in day-care centers receiving Federal (16)_____. Soon afterward, the Federal government (17)_____ cut down its (18)_____ for this purpose and later (19)_____ them, causing a sharp drop in the number of nursery schools in operation. However, the (20)_____ that most employed mothers would leave their jobs at the end of the war was only partly fulfilled.

A．latter

B．late

C．other

D．first

  In the United States, however, people wear

A.less

B.thin

C.bare

D.few

In the United States, depression is a serious problem.

A．Y

B．N

C．NG

Hurricane Andrew was the second costliest natural disaster in the United States.