Unit 4 Inventions 重点词汇词性转换及巩固训练（含答案）沪教版八年级上册英语

中小学教育资源及组卷应用平台 沪教版八年级上册英语Unit4 Inventions词性转换及巩固训练 一、重点单词词性转换（共20分） invent（v. 发明）→ _____（n. 发明家） invent（v. 发明）→ _____（n. 发明物） use（v. 使用）→ _____（adj. 有用的） use（v. 使用）→ _____（adj. 无用的） operate（v. 操作）→ _____（n. 操作；手术） operate（v. 操作）→ _____（n. 操作员） create（v. 创造）→ _____（adj. 有创造力的） create（v. 创造）→ _____（n. 创造；创作） improve（v. 改善）→ _____（n. 改善；提高） important（adj. 重要的）→ _____（n. 重要性） different（adj. 不同的）→ _____（n. 差异；不同） different（adj. 不同的）→ _____（adv. 不同地） usual（adj. 通常的）→ _____（adj. 不寻常的） usual（adj. 通常的）→ _____（adv. 通常地） possible（adj. 可能的）→ _____（adj. 不可能的） possible（adj. 可能的）→ _____（adv. 可能地） help（v. 帮助）→ _____（adj. 有帮助的） help（v. 帮助）→ _____（adj. 无助的） satisfy（v. 使满意）→ _____（adj. 满意的） satisfy（v. 使满意）→ _____（n. 满意） 二、根据括号里单词的正确形式填空（共30分） The young _____（invent）spent five years developing the new smart watch. Paper is one of the greatest _____（invent）in ancient China. This app is _____（use）for learning English grammar—it explains rules clearly. Don’t throw away the old box; it might be _____（use）for storing books. The _____（operate）of the new machine requires special training. My uncle is a skilled _____（operate）who can fix many kinds of electronic devices. Children are usually more _____（create）than adults because they have more imagination. The _____（create）of this new art form has attracted many young artists. Regular practice is the key to _____（improve）your spoken English. We have seen great _____（improve）in air quality since the new policy was carried out. Do you know the _____（important）of protecting intellectual property rights It’s _____（importance）to read the instructions before using the new invention. There are many _____（different）between the two types of robots. They solved the problem _____（different）from the way we did. It’s _____（usual）for him to be late—he’s always the first to arrive. She _____（usual）goes for a walk after dinner to keep healthy. It’s _____（possible）to finish the task in an hour without any help. _____（possible）, we will hold the invention show in the school hall next week. The teacher’s advice was very _____（help）for me to finish the DIY project. He felt _____（help）when he couldn’t fix the broken radio by himself. The designer was _____（satisfy）with the final look of the new product. The company tries its best to provide good service to meet customers’ _____（satisfy）. This kind of material is _____（environment）friendly—it can be recycled. We should take action to reduce _____（environment）pollution. The _____（develop）of 5G technology has made our life more convenient. China has _____（develop）rapidly in the field of high-tech inventions. He is a _____（success）inventor who has made ... ...