2. 火山和矿石:说有一种叫porphy copper的矿,非常有助于用来鉴定其产生的地理特貌。(geographic feature)。第二段说这个p.c被认为 来自230百万年前的火山,但是火山的表面特点并不能说明这点。因此,需要通过间接的(indirect)证据来证明。第三段和第四段各举了一 个indirect evidence。第三段是讲这种p. c 在地下形成官状的东西,这种管状东西在地球上有两个,一个是环太平洋,一个是环苏联和中东 。而这两个环正好是地震多发带,而地震多发带就是230万年前的火山口。因此证明volcanic \\\\\\\\\\"orignins the forms of p.c.\\\\\\\\\\". 第四段也是 例子,不记得了。
4. why woman seldom hold executive position (45line). the choice is very complex. Although it is clear stated in the previous JJ, but please read careful !!!
5. why earthquate can happened in deep ground.(35line) I remembered there is one article in OG is very very similar(Please note, it is really very very similar) to the one in the test. Please go to check that article. (the first paragraph say common sense tell us the earthquate happened in the place close to the ground, because the deep ground has very high press and make the mantle ductile which can bring out earthquate. THe second paragragh explain why the earth can happen in deep ground)
6. A very long article 95 line but is very easy. I can t remember it clearly so I don t state it here.