精品解析：广东省六校（广州二中，深圳实验，珠海一中，中山纪念，东莞中学，惠州一中）2018届高三下学期第三次联考英语试题

2018届高三“六校联盟”第三次联考 英语 命题学校：珠 海一中 2018年2月 试卷共10页，卷面满分120分，折算成135分计入总分。考试用时120分钟。 注意事项： 1.答题前，先将自己的班级、姓名、试室号、座位号和考号填写在答题卡上。 2.选择题的作答：每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑。写在试题卷、草稿纸和答题卡的非答题区域均无效。 3.非选择题的作答：用黑色签字笔直接答在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡的非答题区域均无效。 4.考试结束后，请将答题卡上交。 第一部分 阅读理解（共两节，满分40分） 第一节 (共15小题；每小题2分，满分30分) 阅读下列短文，从短文后每题所给的A、B、C和D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。 A Questioning the existence of aliens is something that scientists have done for decades. In fact, most people do believe that aliens exist in some fashion. The main necessities for life are water and some form of energy source. Not surprisingly, there are some planets, exoplanets and moons that fit the bill. Here are several best chances at finding life in the universe. ◆TRAPPIST-1 TRAPPIST-1 is a planetary system a few dozen light-years away, whose discovery was announced in early 2017. This system consists of seven Earth-like exoplanets orbiting an "ultra-cool" star, and it is one of our shots at finding possible life beyond our own solar system. ◆Titan Titan is the largest moon of Saturn, the sixth planet from our Sun. This moon could potentially harbor life but possibly not in the sense that we think. Titan does not exactly fit the description of being in a typical habitable zone. Titan has water, and it has liquid. It just doesn't have liquid water. The water on this moon is completely solid because of the extremely cold temperature. ◆Europa Europa is one of Jupiter's moons here in our own solar system. It is another candidate due to its potential to hold liquid water. Europa is thought to have all the necessities for life including water, energy sources, and the right chemical build-up. ◆Mars The Red Planet, the fourth from the Sun, is probably one of the most talked-about potential candidates for extraterrestrial(地球外的) life and even for human colonization. Despite some different voices, finding extraterrestrial life on Mars really is a serious possibility. We know by now that we won't find little gr