settling [考查动名词。句意：在宿主——比如你的体内定居后——它们会偷走维生素和其他营养物质，留下死细胞和被称为毒素的有毒液体。介词After后要用动名词形式，故本空应填settling。]
5．(2019·赣州十四县市联考)One day, about ten years ago, while________(work) at the cash register in the gift shop at my University Museum of Natural History, I saw an elderly couple come in with a little girl in the wheelchair.
working [考查状语从句的省略。在含有while引导的状语从句的复合句中，如果从句的主语和主句的主语一致，且含有be动词的某种形式时，可将从句的主语和be动词省略，构成省略结构。本句补充完整为：while I was working at the cash register in the gift shop at my University Museum of Natural History。故此处应填working。]
6．(2019·南昌一模)Hongcun，________(fill) with lakes and beautiful Anhuistyle buildings，is 900 years old.It was built to look like a big ox.Huangshan Mountain is the head；the town is the body and the bridges are legs.
filled [考查固定短语。be filled with为固定短语，故填filled。句意：布满了湖泊和美丽的徽式建筑的宏村，有九百年的历史。它被建成看起来像一个大的牛。黄山是头，镇是身体，桥是腿。]
7．(2019·安徽名校模拟)As the researchers expected，30% of the chefs________(survey) said that their best meal as a kid was still what they liked the most as an adult.
surveyed [考查过去分词。chefs和动词survey之间是逻辑上的动宾关系，表示“被调查的厨师”，故用过去分词作后置定语。]
8．(2019·福建永春一中等四校联考)During the Qin Dynasty，to keep the enemy out of his empire，Emperor Qin Shihuang had all the walls________(join) up.
joined [句意：在秦朝时期，为了抵御外敌，秦始皇把所有的墙都连了起来。使役动词had后的宾语all the walls与join up为被动关系，故用过去分词joined作宾补。]
语法填空
(2019·福建省五校统考)According to a recent survey, violence did exist in schools. Students showed their fear and parents and teachers also 1._________(express) their great concern about it. Experts hope 2._________whole society pays more attention to the mental health of adolescents.
Nowadays, school violence is a hot issue. I think this is a phenomenon, which 3._________(call) for our great concern. We should make every effort 4._________(prevent) school violence happening at school, for more and more students would drop out of school if their personal 5._________(safe) could not be guaranteed. In fact, violence can be learned.6._________(actual), children learn violence behavior from adults or from 7._________they see on television or on the Internet.
If I meet with school violence, I will not answer violence with violence, for it will result in 8._________(much) fighting. I will tell my teachers or parents about it. I think they will help me deal with it well and they will protect me from the bad guys.
All in all, we students should behave 9._________(we) and keep away 10.________violence.
1．expressed [根据该句中的“showed”可知，该句叙述的是发生在过去的事情，应用一般过去时，故填expressed。]
2．the [the whole society意为“全社会”，为固定用法，故填the。] 3．calls [分析该句结构可知，该句为定语从句，which指代“a phenomenon”，故谓语动词应用第三人称单数；由“I think this is”可知，应用一般现在时，故填calls。]
4．to prevent [句意：我们应当尽一切努力来阻止校园暴力的发生。make every effort to do sth.为固定搭配，故此处应用动词不定式。]
5．safety [根据空处前的“their personal”可知，空处应填名词safety。] 6．Actually [分析该句结构可知，空处修饰整个句子，作状语，故用副词Actually。]
7．what [分析该句结构可知，空处引导宾语从句，且在从句中作“see”的宾语，故用what。]
8．more [句意：如果我遇到校园暴力，我不会以暴制暴，因为这会导致更多的打斗。根据句意可知，空处应使用比较级。]
9．ourselves [behave oneself为固定搭配，意为“举止规矩有礼，检点”；根据主语“we”可知，空处应用反身代词ourselves。]
10．from [keep away from为固定搭配，意为“远离”。]