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quality assurance quality planning quality control quality assurance, quality control
between; the best from; the best between; the better from; the better
resulted in; was resulted from resulted from; resulted in resulted in; resulted from was resulted from; resulted in
a glazed surface on the spring nicks in the protective coating a build up of sludge deposits cracks in the surface of the spring
B.C.D四个选项中,选出可以填入空白处的正确答案。 (每题1分,共15分) 21. His efforts ended in _____. That’s to say, he is _____________as a nursE. A. a failure; a failure a failure; failure failure; a failure failure; failure
a failure because of his ignorance a man who triumphed over his disadvantages an exceptionally successful and well-educated person an illiterate man, but with some natural talents
achieve achieving to achieve achieved
figure out carry out take out put out