题目内容

You have ... cells in your body.

A. 7 million
B. 7 trillion
C. 7 octillion

查看答案

搜索结果不匹配？点我反馈

更多问题

Most of the atoms are ...

A. tiny cubes.
B. not used.
C. empty space.

You probably have mites in your ...

A. hair.
B. ears.
C. eyelashes.

Mites are very small creatures that are about ...

A. 3 millimetres long.
B. a third of a millimetre long.
C. 0.03 millimetres long.

Mites eat ...

A. dead skin.
B. your eyelashes.
C. tiny insects.