更多"Why were people in the early 19th c"的相关试题:
[单项选择]Why were people in the early 19th century unhappy when they received letters [A] Because they had to buy stamps. [B] Because they had to pay postage. [C] Because the letters always brought them bad news.
[单项选择]Why did people in the 19th century believe the existence of intelligent life on Mars
A. Because the surface of Mars seemed to be geometric.
B. Because the lines were drawn across the surface of the planet.
C. Because a system of canals was thought to be there.
D. Because it was the Martians that built the canals.
[单项选择]Why was postage high in the early 19th century
A. Because the prices of goods (物价) were very high.
B. Because the post office wanted to earn too much money.
C. Because many people had to be paid for getting the postage.
[单项选择]Why was postage high in the early 19th century [A] Because the prices of goods (物价) were very high. [B] Because the post office wanted to earn too much money. [C] Because many people had to be paid for getting the postage.
[单项选择]People in the 18th and 19th centuries slept about 9.5 hours a night because ______.
A. they were forced by their parents to do so
B. they knew what was best for their health
C. they had to do so because of their life style and the lack of electricity
D. they were not so dynamic and ambitious as modem people are
[单项选择]People in the 18th and 19th centuries used to sleep about 9. 5 hours a night because they had ______.
A. no drive and ambition
B. no electric lighting
C. the best sleep habits
D. nothing to do in the evening
[单项选择]Not until the early years of the 19th century（）what heat is.
A. man knew
B. did man know
C. man did know
D. didn't man knew
[单项选择]Why were early radio broadcasts heard by such a small audience
A. Few people owned the necessary equipment.
B. The music selection was not very popular.
C. Few ships came into New York harbor.
D. The radio signal was too weak to reach a mass audienc
[单项选择]Not until the early years of the 19th century ______ know what heat is.
A. did man
B. man did
C. have man
D. man have
