
According to the text, the rise of world sugar prices in the late 1980s immediately brought about
Brazil's supremacy as an ethanol producer.

According to the text, the rise of world sugar prices in the late 1980s immediately brought about
Brazil's supremacy as an ethanol producer.

According to the text, the rise of world sugar prices in the late 1980s immediately brought about
a significant decrease in the production of ethanol.

According to the text, the rise of world sugar prices in the late 1980s immediately brought about
a near-absence of ethanol-powered cars by 2002.

Refer to the above text to judge the following items.
The use of "So" (L.28) indicates that what follows is a consequence of what was previously mentioned.

Refer to the above text to judge the following items.
"rule of thumb" (L.29) is related to experience.

Refer to the above text to judge the following items.
"it", in "which it usually is" (L.30), refers to gasohol.




According to the text, judge the following items.
Reading is another specialization language teachers find together.