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This approach, ______ more expensive than the basic one, provides us with considerably more usage flexibility.

A.asB.sinceC.whileD.if

C

解析试题分析:考查连词。A.as因为,一边...一边,尽管(要用倒装)B. since既然,自从...以来C.while当...时候,尽管D.if如果。句意:这种方法,尽管比基本方法更昂贵,但我们提供了更多的使用灵活性。故选C
考点:考查连词。
点评:不同的连词要放在上下文中进行考查,要注意一词多义,如本题中as ,while均有“尽管”之意,但as要用倒装,while不能用倒装。
即学即练:We need some more facts and figures __________ we take the final decision.
A. since           B. before             C. after            D. until
选B

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科目:高中英语 来源:同步题 题型:阅读理解

阅读理解。
     What do you want to be when you grow up? A teacher? A
doctor? How about an ice cream taster?
       Yes, there really is a job where you can get paid to taste ice
cream. Just ask John Harrison, an " Official Taste Tester" for the
past 21 years. Testing helps manufacturers to be sure of a product's
quality. During his career Harrison has been responsible for appro-
ving large quantities of sweet ice cream--as well as for developing
over 75 flavors(味道).
       Some people think that it would be easy to do this job;after all,
you just have to like ice cream,right? No-there's more to the job
than that,says Harrison,who has a degree in chemistry. He points out
that a dairy or food-science degree would be very useful to someone
wanting a career in this "cool"field.
       In a typical morning on the job, Harrison tastes and assesses
60 ice cream samples. He lets the ice cream warm up to about
12°F. Harrison explains, " You get more flavor from warmer ice
cream, which is why some kids like to stir it, creating ice-cream
soup. "
       While the ice cream warms up, Harrison looks over the samples
and grades each one on its appearance. "Tasting begins with
the eyes," he explains. He checks to see if the ice cream is attractive
and asks himself, "Does the product have the colour expected
from that flavor?" Next it's time to taste!
     Continuing to think up new ideas, try out new flavors and test
samples from so many kinds of ice cream each day keeps Harrison
busy but happy-working at one cool job.
1. What is John Harrison's job?    
A. An official.
B. An ice cream taster.
C. A chemist.
D. An ice cream manufacturer.
2. According to John Harrison, to be qualified in the" cool field", it is helpful to _______. 
A. keep a diary of work  
B. have a degree in related subjects
C. have new ideas every day
D. find out new flavors each day
3. What does Harrison do first when testing ice cream? 
A. He stirs the ice cream.
B. He examines the colour of the ice cream.
C. He tastes the flavor of the ice cream.
D. He lets the ice cream warm up.
4. Which of the following is probably the best title of the passage?  
A. Tasting with Eyes.
B. Flavors of Ice Cream.
C. John Harrison's.
D. One Cool Job.

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