60.

4.In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation.

• A、cool
• B、flood
• C、food
• D、moon

What is implied in the last paragraph?

• A、The Amazon rainforest may disappear soon.

• B、The Amazon may take up more CO2 in the futur

• C、The size of the Amazon basin may become smaller

• D、People may change the name of the Amazon River