Section 23

　　1. Although adolescent maturational and developmental states occur in an orderly sequence, their timing ________ with regard to onset and duration.

　　(A) lasts

　　(B) varies

　　(C) falters

　　(D) accelerates

　　(E) dwindles

　　2. Many of the earliest colonial houses that are still standing have been so modified and enlarged that the ________ design is no longer ________ .

　　(A) pertinent..relevant

　　(B) intended.. necessary

　　(C) embellished.. attractive

　　(D) appropriate.. applicable

　　(E) initial.. discernible

　　3. While the delegate clearly sought to ________ the optimism that has emerged recently, she stopped short of suggesting that the conference was near collapse and might produce nothing of significance.

　　(A) substantiate

　　(B) dampen

　　(C) encourage

　　(D) elucidate

　　(E) rekindle

　　4. The old man could not have been accused of ________ his affection; his conduct toward the child betrayed his ________ her.

　　(A) lavishing.. fondness for

　　(B) sparing.. tolerance of

　　(C) rationing.. antipathy for

　　(D) stinting.. adoration of

　　(E) promising.. dislike of

　　5. A leading chemist believes that many scientists have difficulty with stereochemistry because much of the relevant nomenclature is ________ , in that it combines concepts that should be kept ________ .

　　(A) obscure.. interrelated

　　(B) specialized.. intact

　　(C) subtle.. inviolate

　　(D) descriptive.. separate

　　(E) imprecise.. discrete

　　6. Among the many ________ of the project, expense cannot be numbered; the goals of the project's promoters can be achieved with impressive ________ .

　　(A) highlights.. efficiency

　　(B) features.. savings

　　(C) disadvantages.. innovation

　　(D) claims.. speed

　　(E) defects.. economy

　　7. Though science is often imagined as a ________ exploration of external reality, scientists are no different from anyone else: they are ________ human beings enmeshed in a web of personal and social circumstances.

　　(A) fervent.. vulnerable

　　(B) neutral.. rational

　　(C) painstaking.. careless

　　(D) disinterested.. passionate

　　(E) cautious.. dynamic

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