Oxygen is first in abundance of the Earth’s crust.

Earth's outermost layer, consisting of the crust and upper mantle, is called the lithosphere.

‍The _______ is the outermost layer of Mars.​ A: crust B: mantle C: core D: center

Where there is an earthquake, energy is ____in one area along a crack in the earth crust. A: ;repelled B: ;released C: ;run D: ushed

At the meeting, the manager wanted to get to the ______ and deal with the issue. A: point B: crust C: exterior D: Gulf

‌The main symptoms of cattle and sheep mange are（ ）​ A: Crust B: Hair loss C: Thickened skin D: Edema

Of all the elements in the Earth's crust, oxygen is known to be the more common.（） A: Of all B: elements C: to be D: more

The great size of the volcanoes and the ______ of their lava flows is considered an indication that the crust of Mars is fixed. A: explosion B: exploit C: extent D: exposure

This passage mainly talks about () A: the origin of the earth B: the origin of the ocean C: the history of the earth D: the forming of the earth’s crust

crust/ krΛst/ A: n.批评家,爱挑剔的人 B: n.面包皮;硬外皮 C: vi.由…组成;在于 D: a.残忍的,残酷的