White noise consists of________ collections of sounds at different frequencies,such as the dull noise of aircraft engines.
A.swift B.fierce C.random D.generous
高二英语单项填空中等难度题查看答案及解析
John was a hardworking man and he ________ a piece of waste ground into a beautiful garden.
A.translated B.transformed C.transported D.transferred
高二英语单项填空中等难度题查看答案及解析
Nowadays students go to key universities just for a formal ________,which may help them hunt for a good job in the future.
A.conservation B.preparation C.graduation D.qualification
高二英语单项填空中等难度题查看答案及解析
When the speaker finished his speech, he was content to see his speech was ________ with cheers and applause from the audience.
A.respected B.commented C.associated D.greeted
高二英语单项填空中等难度题查看答案及解析
They planned to hold a grand party to ________ their parents’ diamond wedding anniversary as a reward for bringing them up.
A.congratulate B.memorize C.observe D.guarantee
高二英语单项填空中等难度题查看答案及解析
Miss Green often said “God helps those who help themselves”, intending to _______ on us the significance of being independent.
A.base B.impress
C.focus D.rely
高二英语单项填空中等难度题查看答案及解析
The success of a government should be ________ in terms of the health and happiness of the people as well as the development of economy.
A.observed B.established C.benefited D.measured
高二英语单项填空中等难度题查看答案及解析
Many nations have promised to reduce greenhouse gas emissions, but are falling short of the ________ reduction of 25 to 40 percent of 1990 levels.
A.target B.option C.profit D.refund
高二英语单项填空中等难度题查看答案及解析
Learning English means more than memorizing a lot of words. It ________ a large amount of reading as well.
A.involves B.inspires C.motivates D.associates
高二英语单项填空中等难度题查看答案及解析
The monthly sales of Mo Yan’s works ________ 199 times compared with those before he won the Nobel Prize for Literature.
A.accelerated B.stretched C.multiplied D.switched
高二英语单项填空中等难度题查看答案及解析