Which advantage do smart polymeric materials offer designers?
A.Eliminate selection problem, B.Reduce raw materials costs
C.Adapt to environmental change D.Reduce processing
Which advantage do smart polymeric materials offer designers?
A) Eliminate selection problems
B) Reduce raw materials costs
C) Adapt to environmental changes
D) Reduce processing
A.persuaded
B.prompted
C.imposed
D.enlightened
A.cost
B.appearance
C.comfort
D.suitability
A.for
B.of
C.with
D.to
Which is not an obstacle to acceptance ofnew engineering materials and processes?
A) Time-consuming approach to gain sufficient experience
B) Concern for keeping up with one's competition
C) Lack ofexperience by designers and fabricators
D) Need for compromise between favorable properties and cost
According to the passage, which of the following statements is TRUE?
A.New fashions in clothing are created for the commercial exploitation of women.
B.The constant changes in women's clothing reflect their strength of character.
C.The fashion industry makes an important contribution to society.
D.Fashion designers should not be encouraged since they are only welcomed by women.
If women are mercilessly exploited (剥削) year after year, they have only themselves to blame. Because they tremble at the thought of being seen in public in clothes that are out of fashion, they are always taken advantage of by the designers and the big stores. Clothes which have been worn only a few times have to be put aside because of the change of fashion. When you come to think of it, only a woman is capable of standing in front of a wardrobe (衣柜) packed full of clothes and announcing sadly that she has nothing to wear.
Changing fashions are nothing more than the intentional creation of waste. Many women spend vast sums of money each year to replace clothes that have hardly been worn. Women who cannot afford to throw away clothing in this way, waste hours of their time altering the dresses they have. Shirts are lengthened or shortened; neck-lines are lowered or raised, and so on.
No one can claim that the fashion industry contributes anything really important to society. Fashion designers are rarely concerned with vital things like warmth, comfort and durability (耐用). They are only interested in outward appearance and they take advantage of the fact that women will put up with any amount of discomfort, as long as they look right. There can hardly be a man who hasn't at some time in this life smiled at the sight of a woman shaking in a thin dress on a winter day, or delicately picking her way through deep snow in high-heeled shoes.
When comparing men and women in the matter of fashion, the conclusions to be drawn are obvious. Do the constantly changing fashions of women's clothes, one wonders, reflect basic qualities of inconstancy and instability? Men are too clever to let themselves be cheated by fashion designers. Do their unchanging styles of dress reflect basic qualities of stability and reliability? That is for you to decide.
A.must have watered
B.must be watered
C.must water
D.must be watering
Since the road is wet this morning,_____last night.
A.it must rain
B.it must be raining
C.it must have rained
D.it must have been rain