Unit 2 Section 3～4课时小练(七)-【赢在微点】轻松课堂2023-2024学年新教材高中英语必修第二册（人教版）

课时小练(七) 三维度夯实基础 　 维度1　单词的正确形式 1.She 　　　　(stir) by his sad story.  答案与解析　was stirred　设空在句中作谓语,根据语境应用被动语态,句中理解为“被打动”。 2.Many families break up due to 　　　　(emotion)issues.  答案与解析　emotional　设空在句中作定语,故用形容词。 3.Costs 　　　　(reduce) by 20% over the past year.  答案与解析　have been reduced　设空在句中作谓语,用被动形式; over the past year为现在完成时的标志,故填have been reduced。 4.All kinds of creatures live in harmony in the national nature 　　　　(reservation).  答案与解析　reserve　设空在句中作宾语。reserve用作名词时意为“保护区”。 5.It is hoped that Lawrence can make a full 　　　　(recover).  答案与解析　recovery　设空在句中作宾语。recover 的名词为recovery,“恢复”之意。 维度2　固定用法和常考句式 用一个适当的单词或括号内单词的正确形式填空。 1.From dawn to dusk, he works countless hours 　　　　(support) his family.  答案与解析　to support　不定式在句中作目的状语。 2.Despite her problems, she carried on working 　　　　usual.  答案与解析　as　固定搭配,as usual “和往常一样”。 3.The meeting was put off behind schedule due 　　　　the absence of the chairman.  答案与解析　to　 固定搭配,due to “由于”。 4.It is 　　　　(unusual) to start a speech by thanking everybody for coming.  答案与解析　usual　设空在句中作表语,根据句意“演讲开头对大家的到来表示欢迎是经常的事儿”,因此填提示词的反义词。 5.The proposal to build a national nature reserve was 　　　　(strong) supported.  答案与解析　strongly　修饰过去分词应用副词,故填strongly。 维度3　语法填空 　　The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland. While they are rare north of 88°, there is evidence 　1　 they range all the way across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been 　2　 (poor) studied; however, biologists calculate that there are about 20,000—25,000 polar bears worldwide.   Modern methods　　3　 tracking polar bear populations have been employed only since the mid⁃1980s, and are expensive 　4　 (perform) consistently over a large area. In recent years some Inuit people in Nunavut 　5　 (report) increases in bear sightings around human settlements, leading to a 　6　 (believe) that populations are increasing. Scientists have responded by 　7　 (no