because和in that有什么区别in that 不能放在句首吗？

because = 因为
in that = 在。。（某一点）上
The financier told us not to do business in that way.
金融家告诉我们不要再用那种方法做业务。
There are few entertainments in that town.
那个镇上几乎没有娱乐设施。
The prices in that restaurant are absolutely ruinous.
那家餐馆的价格贵得能把人坑死。
There are more than 5,000 adjectives in that dictionary.
那本词典中有5000多个形容词。
He will do well in that work because he has a lot on the ball.
他是会做好那件工作的，因为他很有才干。
I have given up my fob in that firm, what with one thing or another.
由于某些原因，我已放弃了那家商行里的工作。
Most of them accord in that opinion.
在这一点上他们多数意见是一致的。
He didn't attend the negotiation in that he was ill.
他因为有病，没有参加谈判。
He was caught by the police because of the graft and corruption.
他因贿赂贪污被警察抓了起来。
Many beautiful fish are fast disappearing because of the severe pollution.
因为污染严重，许多美丽的鱼类正在面临绝种。
Please be brief because I am in a hurry.
我有急事，请长话短说。
An argument was inevitable because they disliked each other so much.
争论是不可避免的，因为他们彼此非常厌恶。

基本可以通用，但在解释差异或说明有何特别之处时，in that比because更贴切
例句：
Teratomas are unusual forms of cancer because they are composed of tissues such as tooth and bone not normally found in the organ in which the tumor appears.
(A) because they are composed of tissues such as tooth and bone
(B) because they are composed of tissues like tooth and bone that are
(C) because they are composed of tissues, like tooth and bone, tissues
(D) in that their composition, tissues such as tooth and bone, is
(E) in that they are composed of tissues such as tooth and bone, tissues
答案（E）

beacause可以用在句首,或用在句中当连接词用.
而in that 只能放在句中当连接词用 不能放在句首
再就是beacause 比 in that 要正式一些
意思上没什么很大的区别