题目内容

Distance from the sunmeasured in million kilometersMars _1_ million kilometersEarth _2_ million kilometersmeasured in astronomical unitEarh _3_ astronomical unitMars _4_ astronomical unitColorEarh is a blue planetMars is a _5_ planetSizeMars is _6_ the size of earthGravityMars has _7_ % of Earth's gravity.

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Both the Earth and the Mars can support life.[音频]

A. 对
B. 错

The Earth and the Mars have similar temperature.

A. 对
B. 错

Earth day and Mars day is of similar length.

A. 对
B. 错

Both the Earth and the Mars have water.

A. 对
B. 错