1、1 (每日一练每日一练)全国通用版初三英语原因状语从句全部重要知识点全国通用版初三英语原因状语从句全部重要知识点 单选题 1、We cant buy this kind of book _ its not good for us.AbecauseBandCbutDso 答案:A 解析:句意:我们不能买这种书,因为它对我们不好。考查连词辨析。because 因为;and 并且;but 但是;so 所以,根据前面的“We cant buy this kind of book”和后面的“its not good for us”可知,后面句子是前面句子的原因,所以用 because,故选 A。2、_
2、Clark likes animals a lot,_ he goes to the zoo on Saturday.ASo;/BBecause;soCBecause of;/DBecause;/答案:D 解析:句意:因为克拉克非常喜欢动物,所以他在周六去动物园。考查连词辨析。So 所以;Because 因为,连接句子;Because of 因为,连接名词、代词、动名词。分析句子可知,前后两句构成因果关系,英文中的关联词只能二选一,前句是原因,故选 D。3、Lets begin our class _ everyone is here.AbecauseBbecause ofCsinceDas
3、答案:C 2 解析:句意:既然大家都到齐了,我们开始上课吧。考查连词辨析。because 因为,必然的因果关系;because of 因为,后接名词;since 既然,说明为人所知的原因;as 由于,语意不如 because 强。根据“Lets begin our class everyone is here”可知,此处指既然大家都到齐了,就开始上课,大家都到齐了是为人所知的原因,故选 C。4、_ we have a few minutes to wait for the train,lets have a cup of coffee.AAlthoughBUntilCSinceDUnless
4、答案:C 解析:句意:由于我们还有几分钟等火车,让我们喝杯咖啡吧。考查连词辨析。Although 尽管,引导让步状语从句;Until 直到,引导时间状语从句;Since 既然,由于,引导原因状语从句;Unless 除非,引导条件状语从句。分析语境可知,前半句是一个原因状语从句,空处表示“由于”。故选 C。5、We dont play basketball on the playground _ it rains outside.AsoBbecauseCandDbut 答案:B 解析:句意:我们不在操场上打篮球,因为外面下雨。考查连词辨析。so 所以;because 因为;and 和;but 但
5、是。分析空格前后句可知,此处构成因果关系,空格后表示原因,用“because”。故选 B。6、Derrick likes“Mojito”sang by Jay Chou _ it makes him feel relaxed.AwhenBbecauseCthoughDas soon as 3 答案:B 解析:句意:德里克喜欢周杰伦唱的Mojito,因为它让他感到放松。考查连词辨析。when 当时;because 因为;though 尽管;as soon as 一就。德里克喜欢这首歌的原因是因为它让他觉得放松,应用 because 连接因果关系,故选 B。7、Wendy didnt buy th
6、e new purse _ her aunt had given her a new one.AthoughBifCwhenDbecause 答案:D 解析:句意:温迪没有买新钱包,因为她姑妈给了她一个新钱包。考查连词辨析。Though 尽管,虽然;if 如果;when 当时候;because 因为。根据下文“her aunt had given her a new one.”可知,这里是表示原因,说明为什么不买新钱包。根据题意,故选 D。8、We should love the earth _ it is our home.AandBbutCorDbecause 答案:D 解析:句意:我们应
7、该爱我们的地球,因为它是我们的家。A.and 和,又;B.but 但是;C.or 否则,要不然;D.because 因为。根据下文 it is our home.可知这里表示因为。根据题意,故选 D。9、She was very happy because they _ her to the party.AinviteBare invitingCwill inviteDinvited 答案:D 解析:4 句意:她很高兴,因为他们邀请她参加聚会。本题考查动词的时态。A.invite 动词原形;B.are inviting 现在进行时态形式;C.will invite 一般将来时态形式;D.invited 过去式或过去分词。根据去半句提到 she was very happy.可知,是一般过去时态,此空应填 invited,故选 D。