Prep中的几题

74.        (28503-!-item-!-188;#058&003635)

Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection, favored due to their enhancement of reproduction or survival, but that they are simply random by-products of other evolutionary developments.

(A) due to their enhancement of reproduction or survival, but that they are

(B) due to the reproduction or survival they enhance, but they are

(C) because they enhance reproduction or survival, but

(D) because they enhance reproduction or survival, but are

(E) because of enhancing reproduction or survival, but are

为什么答案要加are? not....but....

By recording the noise of crinkled wrappers as they were slowly stretched out in an otherwise silent chamber, and then digitizing and analyzing the sound emissions on computers, a team of scientists found the noise not continuous but consisted of individual bursts or pops just thousandths of a second long.

(A) digitizing and analyzing the sound emissions on computers, a team of scientists found the noise not

(B) digitizing and analyzing the sound emissions on computers, a team of scientists found that the noise was not

(C) digitizing and analyzing the sound emissions on computers, a team of scientists found the noise not to be

(D) the sound emissions were digitized and analyzed on computers, a team of scientists found that the noise was not

(E) the sound emissions were digitized and analyzed on computers, a team of scientists found the noise not to be

find + n. + adj./-ed 难道不可以吗？

74. enhance and are平行 这里有but连接两个带谓语动词部分

76. continuous is an adj./consisted is a verb. 所以应该用found that...continuous的部分应该与consisted of平行 所以应该是was contiuous and consisted of