专升本每日一练：9月英语(一)

　　43.It was when we were returning home ________ I realized what a good feeling it was to have helped someone in trouble.A. which B. that C. where D. how【答案】B。【解析】考查强调句。句意：正是当我回家的时候，我才意识到帮助别人于危难之时感觉是多么令人愉快。根据分析，该句是“It was...”开头，且去掉“It was...”之后，句子结构仍然是一个完整意义的句子，故判断此句是一个强调句，强调“when we were returning home”，故选B。

　　44.Only by practising a few hours every day ________ be able to master the language.A. you can B. can you C. you will D. will you【答案】D。【解析】考查倒装句。句意：只有通过每天练习几个小时，你才能够掌握一门语言。only+状语位于句首，句子应使用部分倒装，可排除A和C选项，根据can通常不与be able to连用，故选D。

　　45.Linda ate nothing this morning, ________?A. didn’t she B. was she C. did she D. wasn’t she【答案】C。【解析】考查反义疑问句。句意：琳达今早什么都没吃，是吗?疑问词用did还是was取决于谓语动词，ate不是be动词，所以要用did;前面有否定词nothing，后面要用肯定方式提问，故选C。