单项选择题
M: I’d like to open a savings account, please. W: All right, please fill out the forms and sign your name on the line.
A. At a hotel. B. At an airport. C. At a restaurant. D. At a bank.
A. Men, as well as animals, invented certain sounds to express thoughts. B. The origin of language is a complicated question. C. Words did not have written forms, at first. D. Letters were created to stand for thoughts.
A. Cause and Effect of Global Warming B. Damages Done by Global Warming C. Global Warming and Industrial Development D. Solution to the Problem of Pollution