单项选择题
Almost all recognize that non-scientists as well as laymen are interested in sciences, yet scientists have been trying to classify only those who are involved in（）scientific practices as genuine scientists,（）the more inclusive view.
A．authentic； articulating B．rigorous ； unconvinced of C．specialized ； sympathetic to D．broad ； certain of E．democratic； rejecting
单项选择题 Performing rote memory exercises rarely improves the（）of any given subject, but（）may nevertheless be useful to the student preparing for an examination.
单项选择题 The（）employed in this book is overly flamboyant,（）the scientific proof intended to corroborate it.
单项选择题 DESSICATE: LIQUID: :
