1. Geographers examine tiny fragments of animals and plants found in sediment to date the stratum.

　　(A) families (B)skeletons (C)pieces

　　2. Janet’s goal is to become a successful businesswoman so she spends all her money on MBA study.

　　(A)competition (B)objective (C)subject

　　3. The large towers of the George Washington Bridge were not encased in masonry(砖瓦)but were left exposed to reveal their handsome steel structure.

　　(A) naked (B) well-worn (C) good-looking

　　4. Corn, potatoes, and other plants first cultivated in the Western Hemisphere nowfurnish almost half the world's food supply.

　　(A) replace (B) provide(C) consume

　　答案：CBCB

　　详解：

　　pieces

　　n. 匹头，毛束;件片块个工件零件

　　She dilacerated the paper into pieces.

　　她把那张纸撕成碎片。

　　objective

　　adj. 客观的;目标的;宾格的

　　n. 目的;目标;[光] 物镜;宾格

　　He kept on towards his objective.

　　他朝着他的目标前进。

　　good-looking

　　adj. 好看的;美貌的

　　Finally, people like good-looking people.

　　最后，人喜欢长得好看的人。

　　provide

　　vt. 提供;规定;准备;装备

　　vi. 规定;抚养;作准备

　　I provide him with all his rights.

　　我向他提供了他的所有权利。