单项选择题


In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on your answer sheet.

<上一题 目录 下一题>
热门 试题

单项选择题
What does the author want to tell us in Para. 4 to Para. 9
A．New technology used in public transportation.
B．The future trends in public transportation.
C．The automation through new technology.
D．Advanced transit concepts.
单项选择题
Which of the following statements is true
A．The brain of an adult person shrinks 2.5% every 10 years.
B．The cerebrospinal fluid of a person with 8 years of education may have increased 17.7 milliliters.
C．The cerebrospinal fluid of a person with 16 years of education may increase by 10%.
D．The brain of an aged person shrinks 5% every 10 years.
相关试题