单项选择题
A. It causes sea levels to rise. B. It causes sea levels to decrease. C. It causes sea levels to remain unchanged. D. It causes sea flood all over the globe.
A.spell B.telephone C.she D.second
A. even Americans are surprised at the big differences among themselves B. there are many differences in character in different parts of the USA C. there are many reason for the differences D. stereotypes about people are not necessarily true