更多"Sedimentary rocks cover much of the"的相关试题:
[单项选择]Rocks (form) within Earth are called intrusive or plutonic rocks (because the) magma (from which) they form often intrudes into (neighboring) rock.
A. form
B. because the
C. from which
D. neighboring
[单项选择]The moon, being much nearer to the Earth than the Sun, is the ______ cause of the tides.
A. principal
B. basic
C. initial
D. elementary
[单项选择]The atmosphere is as much a part of the earth as （） its soil and the water of its lakes, rivers and oceans.
A. are
B. is
C. do
D. has
[单项选择]How much of the earth's water can man really use
A. He can use nearly 75% of it.
B. He can use about 97% of it.
C. He can use less than 3% of it.
D. He can use exactly 3% of it.
[单项选择]There is not much time left for you to cover everything, you'd better ______ unimportant points. ( )
A. leave off
B. focus on
C. leave out
D. concentrate on
