更多"'Baby Boom' refers to the great inc"的相关试题:
[单项选择]"Baby boom" refers to the great increase of birth rate ______.
A. after the First World War
B. after the Second World War
C. during the Westard Movement
D. during the gold rush
[单项选择]The oil price rise reactivated the boom in commodity prices and ______ inflation, which reached an annual rate of 15 per cent in the spring of 1974.
A. boosted
B. harnessed
C. staggered
D. embarked
[单项选择]What influences the birth rate most in the United States is ______.
[单项选择]Soap operas have helped in lowering Brazil's birth rate because ______.
[单项选择]The birth rate all over the world will remain the same in the 21st century.
[单项选择]It is said that the rise in oil prices is a boom to many petroleum exploration and production companies because ______.
A. the rise brought many of the companies the largest profits ever
B. the rise is a very precious opportunity that the companies can rarely get
C. the rise helped the companies out of the boom-and-bust cycles
D. the rise offered an investment in much more exploration and production than before
[单项选择]
There have been many great (21) . The first great invention was one that is still very important to day--the wheel. This made it easier to carry (22) things and to travel long distances.
In the early 1800s the world (23) to change. There was little unknown land left in the world. People did not have to explore much any more. They began to work instead to make life belier.
In the second half of the 19th century many great inventions were made. Among them were the camera, the electric light and the radio. These all became a big part (24) our life today.
The first part of the 20th century saw more great inventions: the helicopter in 1909, movies with sound in 1926, the computer in 1928, and jet planes in 1930. This was also a time (25) a new material was first made. Nylon came out in 1935. It changed the kind of clothes people wore.
The middle part of the 20th century brought new ways to help people (26) disea
A. in
B. for
C. to
D. of