2018年高考英语全国专用考前三个月组合演练：阅读理解+七选五+完形填空(一)-物理小金刚系列

组合演练(一) [阅读理解＋完形填空]Ⅰ.阅读理解A(2017·河北石家庄一模)I had been following the yellowish-green markers for a “popular and easy”three-mile out-and-back hike (远足).Immediately after the trailhead，the trail(小径) became very rocky and steep.But having read about the hike，I knew within five minutes，I was supposed to reach the hike’s first overlook.However，the overlook never arrived.Instead，I found myself lost in the woods.Pulling out my cellphone，I saw it read “no service”.I checked the last text message I’d sent to my mom.It read，“Conference ended...going for a small hike before my flight home this afternoon.” I put my phone away and kept moving and yelling，“Help! Is anybody out there？” Every so often，I’d stop to listen，but I never heard a reply.I got out my phone again.The battery was running out fast as it searched for a signal，I struggled to find a place where I could get service.When I did，I called my mom.It went through! In a shaky voice，I said，“Mom？” and then the call dropped.More than 1,500 miles away，my mom instantly knew something was wrong.She called the Denver Police Department and was directed to the US Forest Service.This was how I was introduced to John，an operator from the US Forest Service.Following John’s instruction on the phone，I finally escaped from the woods.I breathed a sigh of relief.Then my phone rang，and it was John，making sure I was still going in the right direction.“By the way，”he said，“we’ve had your mother on hold this whole time.So once you get down the mountain，you will absolutely want to give her a call.”语篇解读本文介绍了作者一次远足迷路的经历。

作者在森林中迷了路，好不容易打通了母亲的电话，只说了一声电话就断了，但母亲通过这一声察觉到作者处于危险中，立刻报了警，最后作者在警察和美国林务局的帮助下终于走出了森林。

1.What did the author do while finding the trail rocky and steep?A.He yelled for help.B.He continued walking.C.He returned to the start.D.He found the first overlook.答案 B解析推理判断题。

根据第一段最后一句“But having read about the hike，I knew within five minutes，I was supposed to reach the hike’s first overlook.”可知，作者根据自己对远足的学习，认为只需走很短的时间就可以进行第一次远眺了，故作者肯定是继续前进。

故选B。

2.When did the author tell his mom about the hiking?A.After he got lost.B.After John’s call.C.After a conference.D.After the call dropped.答案 C解析细节理解题。

根据第二段第四、五句“I checked the last text message I’d sent to my mom.It read，‘Conference ended...going for a small hike before my flight home this afternoon.’”可知，作者是开完会之后告诉他的妈妈的。

故选C。

3.How did the author’s mom know he was in danger?A.The author called and told her about it.B.The author’s flight didn’t arrive on time.C.She learned it from the US Forest Service.D.She sensed something unusual on the phone.答案 D解析细节理解题。

根据第三段中的“It went through! In a shaky voice，I said，‘Mom？’and then the call dropped.More than 1,500 miles away，my mom instantly knew something was wrong.”可知，作者的妈妈虽远隔千里，依然感觉到事情不对劲，可能是作者打电话的时候说的那声妈妈让她感觉到了。

故答案为D。

4.What can we learn from the last paragraph?A.John came to the woods for the author.B.The author’s mom was on line waiting.C.John lost touch with the author’s mom.D.The author went in the wrong direction.答案 B解析细节理解题。

根据最后一段中的“...he said，‘we’ve had your mother on hold this whole time.So once you get down the mountain，you will absolutely want to give her a call.’”可知，作者的妈妈一直和US Forest Service连线，一直在等作者的消息。

故答案为B。

B(2017·黑龙江大庆二模)In a study published in the U.S. journal Science，researchers from the Chinese Academy of Agricultural Sciences(CAAS) and the University of Florida identified the chemical combinations and genetic recipe for better tomato flavor(味道).“In recent years，consumers often complain that the modern tomato is less flavorful than it once was，” said co-principal researcher Sanwen Huang.“Our results provide a practical road map for breeding tomato varieties with better flavor.”For the study，a 170-person consumer group was created to evaluate 160 tomatoes representing 101 varieties，based on qualities such as “overall liking”and “flavor degree”.The results pointed to dozens of chemical compounds of interest，and further research using a statistical model discovered 33 flavor compounds connected with consumer liking，such as glucose(葡萄糖).The reason why modern tomatoes don’t taste good anymore is that a total of 13 of these flavor-associated compounds “were significantly reduced in modern varieties”，their paper wrote.Moreover，the researchers found that smaller fruit tended to have greater sugar content，suggesting that “selection for more sizable tomatoes has cost sweetness and flavor”.Based on this knowledge，Huang and Professor Harry Klee of the University of Florida studied the whole genomes of 398 varieties of tomato，identifying about 250 positions of genes on a chromosome(染色体)，which controlled tomato flavor.“We’re just fixing what has been damaged over the last half century to push them back to where they were a century ago，”said Klee in a statement.“We can make the supermarket tomato taste noticeably better.” Klee said new tomato varieties with better flavor could be ready in three to four years.In addition，“the genes and pathways identified here in the tomato almost certainly point to pathways worth researching for improvement of flavor quality in other fruit crops，” they wrote.语篇解读文章介绍了美国《科学》杂志发表的关于西红柿味道的研究，这项研究是由中国农业科学院和美国佛罗里达大学完成的。