[填空题]Bicycle sales fell in 1999 but rose again in 2000 to be at the same leval as in 1998.

[填空题]Bicycle sales fell in 1999 but rose again in 2000 to be at the same leval as in 1998.

[填空题]Computer sales fell during April but rose again in May to exceed the March sales.

[填空题]Sales fell on 1999 and rose again to reach the 1998 sales.

[填空题]Bicycle sales hardly changed throughout the period, except for a slight fall in 1998.

[填空题]Bicycle sales decreased steadily from 1998 to 2000

[填空题]The sale fell during April but rose again in May to reach the same level as in March.

[单项选择]
A radical new bicycle had its first public showing at the National British Cycling Championships in Shrewsbury last weekend. Based on the gold medal-winning design from the Barcelona Olympics, it is the first commercial mountain bike made of a single piece of carbon fibre.
Bicycles for amateurs have up to now been made of steel, aluminum or magnesium tubes welded together into the conventional "A-frame"shape. But last year, the British competitor Chris Boardman set world records while winning titles in the Olympic cycling pursuit events on a custom built, carbon-fibre bicycle with lower weight and wind resistance than standard models. Because carbon fibre is both light and extremely strong, it does not need the A-frame shape, saving further weight. Carbon fibre can also be moulded in a single piece, avoiding the weakness of welds.
The new bike, which will cost between $ 2000 and $ 3000 wh
A. it was made from the gold medal-winning design of the Barcelona Olympics
B. it was the first commercial mountain bike
C. its public showing last weekend aroused many people’s curiosity
D. it was made of one single piece of carbon fibre

[填空题]Car sales fell sharply following a peak in June.

[填空题]Car sales fell to the May level after a slight increase in June,

[填空题]Computer sales rose steadily throughout the period.

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The sales fell steadily from Tuesday to Wednesday after a sharp rise on Monday.

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At first the sales fell, but then remained constant for the rest of the period.

[填空题]Sales rose steadily throughout the two-year period, but the increase was more dramatic in 1999.