91. Archaeological and geological excavations indicate which a primitive type of corn was used as food in North America at least 7,000 years ago.

答案：B

分析及考點：連接詞誤用。賓語從句連接用that，不能用which替代。

參考譯文：考古學和地質學挖掘發(fā)現(xiàn)表明遠古種類的谷物早在7千年前就被當作食物了。

92. The major component of the sedimentary rock called shale is clay, an earthy, fine-grained material consisting primary of a particular group of crystalline minerals.

答案：C

分析及考點：修飾動詞用副詞。Consist of 固定搭配，primary修飾consist，應改成primarily

參考譯文：被稱為頁巖的沉積巖的主要成分是粘土，一種土質的，有細密紋理的材料，主要包含一組特殊的水晶礦物質。

93. Copper was the first metal used by humans and is second only to iron into its utility through the ages.

答案：C

分析及考點：介詞誤用。改成in its utility

參考譯文：銅是人類首先使用的金屬，也是很多年里使用性僅次于鐵的金屬。

94. The mineral chalcopyrite usually is found in compact masses or in mixtures with various other mineral as opaque, brass-yellow, tetragonal crystals.

答案：C

分析考點：名詞單數(shù)誤用。改成minerals

參考譯文：黃銅礦通常以不透明的黃銅色的四角形結晶的方式在緊密物質或和其他各種礦物質混合體中被發(fā)現(xiàn)。

95. Because the study of chemistry encompasses the entire material universe, it is central to the understand of other sciences.

答案：D

分析及考點：詞性誤用。Understand原形是動詞，這里應該用作名詞形式understanding.

參考譯文：因為化學研究包括了整個物質世界，所以它是理解其他科學的中心。

96. Cyclamates were introduced in the early 1950's as alternative sweeteners for use by individuals who needed reducing their sugar intake for medical reasons.

答案：D

分析及考點：動詞的用法，need 后面加to do sth，所以改成 to reduce

參考譯文：糖精作為甜料的另一個選擇在1950年前就被流傳了，被那些因為醫(yī)療原因需要減少糖的攝入量的人所使用。

97. The pericardium, a double-layered sac, it surrounds the heart and the large vessels entering and leaving the heart.

答案：A

分析及考點：主語重復，句子已經(jīng)有明確主語，不需要it這里做指代。

參考譯文：心包膜，一種雙層的囊狀物，包圍著心臟和進出心臟的大的血管。

98. The Hopi, descendants of the prehistoric Anasazi people, are a Pueblo people who of the southwestern United States.

答案：D

分析及考點：不構成定語從句，而誤用了定語從句引導詞，把who去掉就可以了。

參考譯文：Hopi史前anasazi民族的后代，是在美國西南部pueblo民族的一支。

99. A storyteller exercises close control over the storytelling experience by the choice of words, their arrangement, and their effective.

答案：D

分析及考點：平行對稱結構中，詞性誤用。改成名詞性effectiveness.

參考譯文：講故事的人，通過選擇詞匯，詞的順序和詞的有效性，嚴緊的控制整個講故事的過程。

100. Iron is one of the basic element of which the world is made.

答案：B

分析及考點：可數(shù)名詞的單復數(shù)誤用，應該改成elements.注意one of the結構多次考過。

參考譯文：鐵是組成世界的基本元素之一。