2) GWD13-1-Q2

Q2:

By merging its two publishing divisions, the company will increase their share of the country’s $21 billion book market from 6 percent to 10 percent, a market ranging from obscure textbooks to mass-market paperbacks.

1. their share of the country’s $21 billion book market from 6 percent to 10 percent, a market ranging
2. from 6 percent to 10 percent its share of the $21 billion book market in the country, which ranges
3. to 10 percent from 6 percent in their share of the $21 billion book market in the country, a market ranging
4. in its share, from 6 percent to 10 percent, of the $21 billion book market in the country, which ranges
5. to 10 percent from 6 percent its share of the country’s $21 billion book market, which ranges

1）E
2）obscure: Not well known. As opposed to "mass-market". 作者认为教科书少见，有道理。
3）寻异：their and its, 求同：company is a clue for "its'。主谓一致，也是常考点。
4）寻异：ranging and which ranges. OG中常常提到修饰词一定要紧跟修饰主语，防止造成歧义（ambiguous）, 常考点。