单项选择题

A．There are no rapids or waterfalls.
B．There is a constant, strong wind.
C．Navigation is rather difficult.
D．Frequent storms cause problems for riverboats.
<上一题 目录 下一题>
热门 试题

单项选择题
A．By prediction.B．By recording.C．Through observation.D．Through interviewing.
A．By prediction.
B．By recording.
C．Through observation.
D．Through interviewing.
单项选择题
A．To speak English.B．To read technical books in English.C．To listen to English programs on radio.D．To read English literature.
A．To speak English.
B．To read technical books in English.
C．To listen to English programs on radio.
D．To read English literature.
相关试题