麻烦大家帮我翻译几个句子

1。在它们的旁边放着一块垫东西的石头，这个人有可能在上面锻造金属。(lay)
There's a stone laid beside them as an underlay, the man might stand on it to hammer metal.
2。就技术发展而言，人们正从石器时代过渡到青铜时代。（in terms of)
In terms of the development of technology, it was the transition from the Stone Age to the Bronze Age.
3。由于现代科技，找出更多的有关埋在墓地里人的材料成为可能。（thanks to )
Thanks to modern technology, it becomes possible to identify more materials of the buried in the cemetery.
4。1929年春天，在现在的南兴市，一个农民正在地里干活，这时他的儿子挖出了一块圆玉。(dig up)
In the city which we called Nanxing City today, during the spring of 1929, when a farmer was farming, his son digged a round jade up in their field.
5。下午四点，他和他的祖父到达广汉博物馆，在那里一位官员热情地接待了他。(It was...when....)
It was 16:00 when he and his grandfather arrived the Guanghan Museum where an officer received him wormly.
6。两国之间的贸易谈判出现了严重分歧。(arise)
Serious divergences arose between the trade negotiating of the two countries.
7。这名恐怖分子试图接近大楼，但没有成功。(make an attempt)