急求教，prep 1-8, 1-24, 1-60, 1-74

8,The Achaemenid empire of Persia reached the Indus Valley in the fifth century B.C., bringing the Aramaic script with it, from which was derived both northern and southern Indian alphabets.

(A) the Aramaic script with it, from which was derived both northern and

(B) the Aramaic script with it, and from which deriving both the northern and the

(C) with it the Aramaic script, from which derive both the northern and the

(D) with it the Aramaic script, from which derives both northern and

(E) with it the Aramaic script, and deriving from it both the northern and

请问这里是不是倒装结构阿，可以这样用吗？

(A) less than they did

(B) less than it did

(C) less than they were

(D) lower than

(E) lower than they were

正确选项为A，请问D为什么不对？白勇书上说比较前后的主语和谓语一致，后面可以只补出状语成份即可，而且rose lower 更合理，实在想不通，请牛牛指点。

Mideast immigrants' rates of entrepreneurship exceed virtually every other immigrant group in the increasingly diverse United States economy.

(A) Mideast immigrants' rates of entrepreneurship exceed

(B) Mideast immigrants are exhibiting rates of entrepreneurship exceeding

(C) Immigrants from the Mideast exhibit rates of entrepreneurship exceeding those of

(D) The rates of entrepreneurship in immigrants from the Mideast exceed

(E) The rates of Mideast immigrants' entrepreneurship exceeds those of

正确选项为C，请问这里比较的是什么，those 指代什么？

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

正确选项为D，我选的C, are not... but... 不是很平行吗？

关于24题，我是这么想的：

low做副词的意思是：1. in or to a low level; 2. near the gound or the bottom of sth, e.g. lay sb low, fly low.

rise表示上升的动作，只可能比原来高，要么高很多，要么高的不多，不能说上升到一个low level 所以两者不能共用；就好像不能说 sth sink high 一样

牛人帮忙啊