单项选择题

The aim of using technology to observe the change of Earth is______.

A．to show the change takes place in every minute
B．to figure out the true shape of earth
C．to prove that Earth is not perfectly round
D．to detect the mass distributions inside the planet

<上一题目录下一题>

热门试题

单项选择题

Which title is proper for this passage

A．The Change of Earth's Shape.
B．Why the Earth's Shape Changed.
C．Sound Strange: Earth Is Not Round.
D．New Technology and Earth's Shape.

单项选择题

Which fact can prove what Newton proposed was right

A．The departing ships seemed to be smaller and smaller when they sailed away.
B．The greater a concentration of mass is at the poles, the stronger its gravitational pull.
C．The length from Earth's center to sea level at tile equator is longer than that at the poles.
D．The changes in the rising of a few millimeters on Earth's surface detected by modern devices.