Q19:
Possible long-term consequences of the “greenhouse effect,” the gradual warming of the Earth’s climate, may include melting the polar ice caps and a rising sea level.
- may include melting the polar ice caps and a rising sea level
- may include the melting of polar ice caps and the rising sea level
- may include polar ice caps that are melting and sea levels that are rising
- include melting the polar ice caps and sea levels that are rising
- include melting of the polar ice caps and a rise in sea level
正确答案是E,但是我选的B,不知道为什么。请指点,谢谢! |