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【单选题】
硬质合金虽然硬度很( )，而且很脆，但仍可以进行机械加工。A.
强
B.
高
C.
低
D.
坚
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【简答题】Passage 1 A successful man is always asked--"What is the secret of your success?" People never ask a man who is a failure "What is the secret of your failure?" It is quite easy to see that they are no...
【单选题】The newscaused quite a _____in the village that she married a rich man who is 30 years older than her.
A.
stir
B.
shake
C.
tremble
D.
blast
【简答题】在分光光度计中，常因波长范围不同而选用不同材料制作的吸收池。可见分光光度法选用______吸收池；紫外分光光度法选用______吸收池；红外分光光度法选用带有______窗片的吸收池。
【简答题】Reading Comprehension Passage 1 A successful man is always asked--"What is the secret of your success?" People never ask a man who is a failure "What is the secret of your failure?" It is quite easy t...
【单选题】It is strange, but quite common, that man usually the people and things around him, yet shows a keen interest in what is unavailable.
A.
overtakes
B.
overcomes
C.
overhears
D.
overlooks
【简答题】在光度分析中，常因波长范围不同而选用不同材料制作的吸收池。可见分光光度法中选用______吸收池；紫外分光光度法中选用______吸收池；红外分光光度法中选用______吸收池。
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