2025-2026学年高二英语人教版选择性必修第四册单句语法填空

**基本信息** 高中英语单元复习同步练，通过50道单句语法填空分层覆盖基础词形转换、进阶语法结构及综合应用，助力语言能力提升与思维品质培养。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|名词/动词等单一词形转换（如observe→observations）|聚焦词性基础转换，夯实词汇运用能力| |进阶层|固定搭配与非谓语（如withdraw from，Faced with）|强化语法规则应用，提升语境分析能力| |综合层|复杂语法结构（如account for，take it for granted）|整合单元核心考点，促进知识迁移应用|

单句语法填空 XB4 Unit1 1. The astronomer’s _______ (observe) of the distant star suggested it might have a habitable planet. 2. After years of research, the scientist finally_______ (success) in developing a warp drive prototype. 3. The robot’s _______(intelligent) level was so advanced that it could hold complex conversations. 4. The space mission __________ (cancel) due to technical issues with the rocket’s fuel system. 5. The author’s latest novel, a _____ (mix) of science fiction and historical drama, became a bestseller. 6. The astronauts _______ (struggle) to repair the damaged hull while floating weightlessly in space. 7. The experiment to grow plants in space was __________ (surprise) successful, even in low-gravity conditions. 8. The alien’s __________ (appear) in the rural village caused panic among the local residents. 9. The team of scientists worked ________ (tire) to decode the mysterious signals from outer space. 10. The company’s __________ (invest) in space tourism has attracted both praise and criticism. XB4 Unit2 1．Looking around, I found myself (surround) by a group of children full of curiosity. 2．They were carried in pockets or small silk (pouch) and became an important accessory of daily life. 3．When asked (straightforward), people tend to lie or shade the truth when the subject is money or employment. 4． (face) with difficulties, we must try to overcome them. 5．The most common materials used for (nest) are grasses, branches and feathers. 6． (politics) power depends upon economic strength. 7． Listen to the latest news report to keep yourself (inform) of what is going on. 8． with televisions, mobile phones are taking up more of our free time. (compare) 9． (arm) with remarkable abilities, Sun Wukong, comes from the 16th-century classic Journey to the West. 10．My bike couldn’t work properly this morning, so I need to get it (fix). XB4 Unit3 1．Finally he got (arrest) and was thrown into prison，completely losing liberty. 2．Due to a serious joint injury，the athlete had to withdraw the upcoming championship. 3．We are currently in (negotiate) of the final phase of the contract’s terms. 4．Journalistic freedom ensures comprehensive news (cover) of critical global events. 5．The advantage of his (oppose) was only temporary，soon overturned by a strategic method. 6．The prime minister of the country was once a (profession) athlete as well as a licensed lawyer. 7．The new slogan of the newly-selected (politics) was straightforward，focusing on clear and immediate action. 8．It’s said that an open-air barbecue will be scheduled，whose aim is (strengthen) the bonds of the employees. 9．The annual bird (migrate) is a grand natural event that showcases the incredible precision of nature’s design. 10．The minister delivered an awesome speech and those present gave him a big round of (applaud) at the end. XB4 Unit4 1．I took ____________ for granted that he would negotiate with me about what to do next, but he didn’t. 2．After ____________(consult) my uncle who is a psychologist by profession, I know how to keep mentally healthy. 3．From the bottom of my heart, I keep ____________(pray) that he won’t withdraw from the club. 4．I must relay ____________ you that my opponent admitted stealing my laptop at the press conference. 5．I believe that the Double Ninth Festival holds significant cultural value and deserves more ____________ (recognize) and celebration. 6．I felt greatly ____________(privilege) to log the great deeds you had done. 7．We should have mercy on the disabled, who ________(be) often looked down on by others. 8．Being back with their family should provide emotional ____________(stable) for the children. 9．The man ____________ uniform takes possession of three villas, but he still lives a very simple life. 10．The firefighters were withdrawing from the burning building ____________ it collapsed. XB4 Unit5 1．She carefully attended___________the wounded soldiers while she prayed that they would all survive. 2．We take it for granted that the nonprofit organization will provide___________ (finance) aid and other benefits for us. 3．The new online platform significantly boosted local___________(employ) by creating more job opportunities. 4．The new policies account___________the remarkable stability of the national economy despite ongoing global challenges. 5．I must relay to you that I have come to a reasonable___________ (conclude) based on relevant criteria. 6．The librarian’s forehead began to sweat as she tried to___________ (category) the enormous pile of newly returned books quickly and accurately. 7.The manager could not___________(justice) his decision without prior consultation with the entire team and their legal advisors. 8.The government should give top___________ (prior) to building a few more secondary schools. 9.Lately I have joined in a discussion group on second language___________ (acquire)． 10．All the___________ (participate) deserved to be praised for their hard work and persistence. 参考答案： XB4 Unit1 1.observations 2.succeeded 3.intelligence 4.was canceled 5.mixture 6.struggled 7.surprisingly 8.appearance 9.tirelessly 10. investment XB4 Unit2 1. surrounded 2. pouches 3. straightforwardly 4. Faced 5. nests 6. political 7. informed 8. Compared 9. Armed 10.fixed XB4 Unit3 1.arrested 2.from 3.negotiation 4.coverage 5.opponent(s) 6.professional 7.politician 8.to strengthen 9.migration 10.applause XB4 Unit4 1. it　2.consulting　3.praying　4.to　5.recognition 6.privileged　7.are　8.stability　9.in　10.when XB4 Unit5 1.to 2.financial 3. employment 4. for 5.conclusion 6.categorize/ categorise 7. justify 8.priority 9.acquisition 10.participants 1 学科网（北京）股份有限公司 $