participate in与attend与join与take part in与join sb与join in的具体辨析

participate in
1. 参加
How many people participated in the opening ceremony?
多少人参加了开业典礼?

attend
vt.
1. 出席,参加
He did not attend the meeting yesterday.
昨天他没有参加会议。
2. 上(大学等),前往
The school was attended almost entirely by local children.
上这个学校读书的几乎全是当地的孩子。
3. 照料;护理;侍候
There was no one to attend him but Tina.
除了蒂娜,再无人照顾他了。
4. 伴随,带有
5. 陪同,护送
vi.
1. 出席,参加[(+at)]
2. 照料,处理[(+to)]
I'll attend to the matter.
我来处理此事。
3. 护理;侍候[(+on/upon)]
4. 注意,倾听;致力(于)[(+to)]
She didn't attend to what I was saying.
她并不注意听我所说的话。

join
vt.
1. 连结;使结合[(+to/together/up)]
He joined the two pieces of wood together with glue.
他用胶水将这两块木料粘在一起。
2. 与...会合;与...交接
This path joins the highway up ahead.
这条路在前面与公路相接。
3. 和...一起做同样的事;和...作伴[(+in/for)]
Will you join us for dinner?
你和我们一起吃晚饭好吗?
4. 参加;作...的成员
I'll persuade him to join our club.
我将劝他加入我们的俱乐部。
5. 邻接
The two houses join each other.
这两栋房子相互毗连。
6. 回到(岗位等)
After a few days on shore the sailor joined his ship.
在岸上待了几天后,水手回到了他的船上。
vi.
1. 会合;相遇
Where do the two rivers join?
这两条河在什么地方会合?
2. 参加;同...一起[(+in)]
He never joined in the usual sports of the boys.
他从不参加孩子们的一般体育活动。
3. 邻接
The two estates join at the foot of the hill.
这两处房地产在山脚下相毗连。
n.
1. 接合点;接连处[C]
The joins can hardly be seen.
接缝几乎看不出来。

take part in
Are you going to take part in the first experiment?
你们会参与首次实验吗?

【attend, join, participate, take part in】
这些动词或词组均含“参加，加入”之意。
attend〓侧重参加或出席会议或学术活动等。
join〓普通用词，指加入党派、团体或游戏活动等。
participate〓正式用词，特指参加团体活动，暗示以一个积极的角色参加。
take part in〓侧重参加某项群众性、集体性的事业、工作或活动，突出参加者在其中发挥一定的作用。