17. In the refining process, rice and flour lose much of their__. A. acid B. alcohol C. vitamin D. sulphur ...
9. Work in parapsychology, __, has attrated a relatively small number of scientists. A. is a very controversial field B. which a very controversial fieldi is C. a very controversial field D. a field very controversial which ...
3. It is not clear whether the increase in reports is stemmed from greater human activity or is simply the result of more surveys. A. flows B. comes C. derives D. originates ...
35. I’m sure he is up to the job ____ he would give his mind to it. A. unless B. in case C. until D. if only ...
26. Because his partents disapproved of a major in physical deucation, John reluctantly decided on English__. A. for a second alternative B. to make another choice C. as a second choice D. for another alternative ...
20. __money, she is quite rich. However, this does not mean that she is happy. A. Concerning B. AS to C. In terms of D. In the light of ...
9. In education, there should be a good__among the branches of knowledge that contribute to effective thinking and wise judgment. A. distribution B. balance C. combination D. assignment ...
3. An important property of a scientific theory is its ability to__further research and further thinking about a particular topic. A. stimulate B. renovate C. arouse D. advocate ...
38. Some companies have introduced flexible working time with less emphasis on pressure__. A. than more on efficiency B. and more on efficiency C. and more efficiency D. than efficiency ...
33. The price of beer__from 50cents to $4 per liter during the summer season. A. altered B. ranged C. separated D. differed ...