In this lesson, there are animated story, invented game, scientific knowledge and fast thinking and so on.

"Clever riddles" is intelligence-promoting linguistic game with its own features.

“脑筋急转弯”本是一种益智类语言游戏，其构成具有一定的特点。

I have naturally but little imagination, and I'm not of a very sanguine turn of mind.

我有天生但是不多的想象力，同时我不太善于脑筋急转弯。

After a two-week study that involved brainteasers ( 2), exercise and diet changes, study participants'memories worked more efficiently.

通过两周的脑筋急转弯、体育锻炼和饮食调整，参与者的记忆力确有增强。

The answer reminded me of a brain-teaser that's been entertaining me for the past couple of months.

这个回答让我想起了几个月来一直在思考的一个脑筋急转弯问题。

I'm clear enough in the head, he thought.

我脑筋够清醒的, 他想.

If you do not sleep you might become unclear in the head. "

如果你不睡觉,你会搞得脑筋糊涂起来. ”

Then , let's welcome Zhangjing to read her application form for the Communist Youth League of China.

下面, 请张静同学宣读她的入团志愿书.

He could sing the league song even before joining the Communist Youth League.

他在入团之前就已经会唱团歌了.

She was received into the League.

她被接受入团了.

He joined the League in 2003.

他是在2003年入团的.

He has League for three years.

他入团有3年了.

She applied to join the League and was accepted.

她申请入团被接受了.

While the patient was lying in bed, her mother by her side, she had a vision: She saw her mother's best friend, Mary, who died of leukemia years ago, in her mother's bedroom, playing with the curtains.

有一名患者在母亲陪在她床边的时候出现了幻象：她看到了她母亲最好的朋友，多年前死于白血病的玛丽在她母亲的卧室摆弄着窗帘。

He is my father and mother's friend.

他是我爸妈的朋友。

The mother's a friend of yours.

她的母亲是你的朋友。

However, my mother's friend asked if I would cross stitch a design for her so

然而，我母亲的朋友问我是否会十字绣的设计为她做

His mother's a friend of mine. She'll be pleased at the idea.

我是他母亲的朋友她肯定喜欢这个提议

We've been traveling with my mother's friend.

我们和我母亲的朋友一道来旅行。

"I was my mother's best friend," she says," and sometimes it was a burden."

她说：“我是我母亲的最好朋友；有时候，那是会成为一个负担”

I don't know whose face was redder from embarrassment, my mother's friend's or mine.

我不知道谁的脸因为这尴尬更红一些，是我妈妈的朋友还是我。