单项选择题

Passage One Questions 26 to 28 are based on the passage you have just heard.

A．Heavy, green water which changes salt dust to high grade petroleum.
B．Heavy, green dust which changes salt water to high grade petroleum.
C．Light, grey water which changes salt dust to high grade petroleum.
D．Light, grey dust which changes salt dust to high grade petroleum.
<上一题 目录 下一题>
热门 试题

单项选择题
A．To exercise and enjoy themselves.B．To race with professional athletes.C．To complete for a valuable first prize.D．To meet cyclists from other countries.
A．To exercise and enjoy themselves.
B．To race with professional athletes.
C．To complete for a valuable first prize.
D．To meet cyclists from other countries.
单项选择题
A．Staff training.B．Book-keeping.C．Cleaning and washing up.D．Gardening and flower arranging.
A．Staff training.
B．Book-keeping.
C．Cleaning and washing up.
D．Gardening and flower arranging.
相关试题