中国大学MOOC: Since supply and demand for a currency are constant (primarily due to government intervention), currency values seldom fluctuate.

Because of high inflation, the economist predicted at a news conference yesterday that interest rates ______ by 1.5 percent during the next year A: (A) has fluctuated B: (B) has been fluctuated C: (C) will fluctuate D: (D) is being fluctuate

I was impressed by the way he could ______ his ideas. A: formulate B: forecast C: foresee D: fluctuate

He never attempted to ______ any excuse for being late. A: fluctuate B: fabricate C: lubricate D: manipulate

You can vary your speed and strength with different opponents.（ ） A: improve B: adjust C: moderate D: fluctuate

Fill in the blank with the words or phrases in the brackets. Change the form where necessary. (respective; dose; measure; fluctuate; modify) Vegetable prices ________ according to the season.

International ______ rates tend to fluctuate significantly from day to day due to a variety of economic factors. A: exchange B: trade C: frequency D: substitution

The president is in trouble and will have to work hard to _______his credibility after people discovered that he was not telling the truth. A: enlighten B: restore C: profit D: fluctuate

Western nations have older and shrinking populations since they entered the 21st century and their ___ birth rates have also posed problems. A: fluctuated B: fluctuating C: fluctuate D: fluctuates

This brings people into contact with contaminated body [u]      [/u]. 未知类型：{'label': 'source', 'content': '2013年6月六级听力原文', 'isMemberControl': 0, 'type': 181} A: fluctuate B: fluids C: flee