单项选择题

Many types of rock are （）from volcanoes as solid, fragmentary material.

A．flung
B．propelled
C．ejected
D．injected

相关考题

He raised his eyebrows and stuck his head forward and （...

单项选择题He raised his eyebrows and stuck his head forward and （）it in a single nod, a gesture boys used then for O. K. when they were pleased.

A．shrugged
B．tugged
C．jerked
D．twisted

The ball （）two or three times before rolling down the s...

单项选择题The ball （）two or three times before rolling down the slope.

A．swayed
B．bounced
C．hopped
D．darted

This new laser printer is （）with all leading software.A...

单项选择题This new laser printer is （）with all leading software.

A．comparable
B．competitive
C．compatible
D．cooperative