B、The Amazon River causes huge rains every summer.
C、The Amazon rainforest supports about 20% of the world's plants.
D、The Amazon River carries 75% of the world’s water to the oceans.
3.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.