problem­solving skills"可知，这提高了学习和解决问题的技能；据此可知，B项"做梦可以增强人的记忆力"符合语境。

第二节　语法填空 (共10小题；每小题1.5分，满分15分)

　　阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

　　[2019·昆明高三摸底调研]The Silk Road was a passage for the transportation of silk in ancient times. Lots of relics on the road can still __1__ (see) now. From the relics, tourists can see the outline of the ancient metropolitan (大都会的) areas along __2__ fantastic road. In the tour packages, tourists can imagine __3__ (they) to be ancient merchants by riding camels in deserts.

　　The Silk Road is a long route, __4__ Xi'an in the east to Gansu and Xinjiang in the west. If it is your first trip to China, we __5__ (sincere) suggest you should spend at least ten days visiting Beijing, Xi'an, Dunhuang, Urumqi and Kashi. You could get to know about the history of China and experience __6__ (color) scenery along the Silk Road.

　　If you are an __7__ (experience) traveler wanting to explore China fully, it is recommended __8__ you should travel to Dunhuang, Zhangye, Jiayuguan, Turpan, Kashi and Urumqi to follow the footprint of Marco Polo. This route may take about 15 days. If you have only a one­week holiday, the __9__ (choose) of three most famous cities will be fit for you.

　　Along the Silk Road route, Xi'an and Gansu are suitable to visit all year round. The best time __10__ (visit) Xinjiang is from May to October because the weather is mild.

【语篇解读】　本文是历史文化类说明文。作者介绍了中国的"丝绸之路"，为新老游客提出了游览建议。