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1·Love, is not a mental activity, not an idea.

爱，不是一种心智的活动，不是一种思想。

2·Children n's mental activity is very wonderful.

儿童的心理活动是非常奇妙的。

3·Learning is a physical as well as a mental activity.

学习既是一项脑力活动，也是一项体力活动。

4·Technology already exists to track of your mental activity.

如今已经有一种技术可以追踪出你的心理活动曲线。

5·Graphics to create new creative thinking is a mental activity.

图形创意思维是一种创造新的脑力活动。

6·Listening comprehension is in fact a process of mental activity.

听见理解过程实质上是一种心理活动的过程。

7·It's clear that mental activity does not stop when we're asleep.

很显然，我们熟睡的时候，思想活动仍然不会停下来。

8·Studies show that physical and mental activity may improve brain health.

研究发现身体和智力上的锻炼都能使我们大脑更加健康。

9·This scientist believes association is the basic principle of mental activity.

这个科学家认为联想是智力活动的基本原理。

10·In ancient times men did not think that the brain was the centre of mental activity.

在古代，人们并不认为人脑是智力活动的中心。