单项选择题

From (such data) Wegener developed his floating continents theory. He envisioned an original super continent that crystallized (of) molten material (making up) the infant earth; eventually the mass (cracked) and broke into several pieces - the present continents.（）

A．such data
B．of
C．making up
D．cracked

<上一题目录下一题>

热门试题

单项选择题

Distinguished architecture requires the expenditure of large sums of money, even if it is by no means certain （） the expenditure of large sums of money （） distinguished architecture.

A．that；produce
B．of；will produce
C．that；produces
D．as to；producing

单项选择题

（） a larger percentage of its gross national product on defending its coasts from rising seas than （）.

A．In Holland, it costs ；the spending on military defense in the United States
B．In Holland they spend；the United States does on military defense
C．Holland spends；the military defense spending of the United States
D．Holland spends；the United States does on military defense