Unit 3 核心知识讲练-2023-2024学年八年级下册英语单元核心知识讲练（牛津译林版）

八年级下册英语单元核心知识讲练 Unit 3 Online tours 核心知识讲练 【讲练01】 【原文】—What do you usually use your computer for?—I usually use it to search for information. ——你通常用电脑做什么？——我通常用它来搜索信息。 【考点①】 · use … for sth/doing 用……做某事（侧重于用途）= use … to do使用……来做某事（侧重于目的） · eg：People use this kind of grass for medicine. · eg：He used wood for making tables and chairs. =He used wood to make tables and chairs. · be used to do被用来做某事=be used for sth/doing · eg：The crayons are used for drawing pictures. = The crayons are used to draw pictures. · used to do过去常常做某事 · be/get used to sth/doing习惯于某物/做某事 · eg：Frank used to drive to work. But now he is used to taking a bus. 【考点②】 · search for information 搜寻信息 · information信息，不可数名词；message消息，可数名词；news消息、新闻，不可数名词 · search sp 在某地搜查（搜查的对象）；search for sth搜寻某物（寻找的对象） · search sp for sth在某地搜寻某物 · eg：Grace searched the house for her little cat. 【练习A】 1 —_____ does Tom usually use his computer ______? —He usually uses it ______ a game. A．What ; to ; play B．What ; for ; to play C．How ; for ; play D．How ; for ; to play 2 The Greens ________ the weather in London, so they moved to another city last year. A．used to B．were used to C．wasn’t used to D．weren’t used to 3 The chopsticks ________ food. Now many foreigners ________ with them. A．used to eat; are used to eat B．are used to eat; used to eat C．used to eat; are used to eating D．are used for eating; are used to eating 4 The special equipment is used ________ for his family. You know, though he used ________ out, now he is used ________ healthily with his family at home. A．to cook; to eat; to eat B．to cooking; to eat; to eating C．to cook; to eating; to eat D．to cook; to eat; to eating 5 This kind of machine ________ cutting paper. A．used for B．is using for C．is used to D．is used for 6 Air pollution ________ be a very serious environmental problem, but now it has been improved. A．used to B．is used for C．was used to D．was used for 7 It’s difficult to ________ the boy in the forest because the forest is too big and there are