题目

长白山天池附近的岩石矿物颗粒非常细小，表面有气孔。对其成因的合理推测是①岩浆冷却较快 ②岩浆冷却较慢 ③在地表形成 ④在地下形成A.①③ B.①④C.②③ D.②④ 答案：【答案】A【解析】本题考查喷出岩。长白山天池附近的岩石矿物颗粒非常细小，表面有气孔，应为岩浆岩中的喷出岩，喷出岩由于喷出地表，岩浆中气候溢出，冷却很快形成，多形成细粒且表面有气孔。故选A。此题要求改正所给短文中的错误，对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾（∨）；如有错误（每行只有一个错误），则按下列情况改正：此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。此行错一个词，在错的词下划一横线，在该行右边横线上写出改正后的词。注意：原行没有错的不要改 After I finished school, I began to look for work Now months later, I had not discovered a job yet．                                   1．_______    One morning I received a phone call． “I was told you                              2．_______ are looking for a job． I’ve heard that you do well in your           3．______ studies and were active in sports． Well, I might have               4．_______ job for you． If you’re interesting, come over to my                5．_______ office． I’m Tim Brown of the All-Star Clothing Factory．”    I went to see Mr． Brown in that afternoon． While            6．_______ asking my questions, he looked at me up and down carefully．                          7．_______ At last, he said, “OK． I’ll let you to have the job．”               8．_______ When he spoke again, I couldn’t believe my eyes．                 9．_______ That he needed was not a future scientist as I had                                     10．_______ expected, but a model !