1.(2018·全国卷Ⅱ)This switch has decreased ________ (pollute) in the country's major lakes and reservoirs and made drinking water safer for people.
解析:pollution decrease“降低,减少”,为及物动词,后接名词作宾语,故填名词pollution。
2.(2018·6月浙江高考)Researchers have found that there is a direct link between the increase in food eaten outside the home and the rise in ________(weigh) problems.
解析:weight 根据语境可知,此处表示体重方面的问题,故此处填名词作定语。
3.(2017·全国卷Ⅲ)She is determined to carry on with her ________ (educate).
解析:education 前面有形容词性物主代词her,此处应该使用动词educate的名词形式education作宾语。
4.(2016·全国卷Ⅰ)Chengdu has dozens of new millionaires, Asia's biggest building, and fancy new hotels. But for tourists like me, pandas are its top ________ (attract).
解析:attraction 此处作表语且前面由its top修饰,应该用attract的名词形式attraction,意为“吸引人之物,诱惑物”。
5.(2016·全国卷Ⅲ)Some people think that the great Chinese scholar Confucius, who lived from roughly 551 to 479 B.C., influenced the __________ (develop) of chopsticks.
解析:development 根据空前面的the和空后面的of可知,此处需填develop的名词形式development。