衔接点07 if、unless引导的条件状语从句-【衔接教材·暑假作业】八年级英语(仁爱版)(解析版)

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衔接点 07 if/unless 引导的条件状语从句
1.The nurse won't leave her patients______ she's sure they are all taken good care of
Aunless Bbecause Csince Dif
【答案】A
【解析】这个护士不会离开她的病人,除非她相信他们都得到了很好的照顾.观察句子的结构结合选项可
知空处缺少连词的连接;根据前后句的时态主句为一般现在时,从句为一般现在时,符合条件状语从句的
用法;结合前后句的意义:主句为 The nurse won't leave her patients (这个护士不会离开她的病人)从句为
she's sure they are all taken good care of她相信他们都得到了很好的照顾)可知后句是前句的否定条件句意
才连贯,合选项,unless 是从属连,引导条件状语从句,有否定意,相当于 if 条件状语句的
定形式.unless=if not所以此句可理解为"果护士不相信人得到很的照顾,就不会离开她
病人".所以用 unless 表除非,如果不.故选:A
2.-The novel seems a little boring
-You won't enjoy it _____ you put your heart into it
AwhenBif Cafter Dunless
【答案】D
【解析】-这部小说好像有点无聊.--除非你用心读否则你不会欣赏它的.本题考查的是从属连词的辨析.
根据题意从前半句"你不会欣赏它"半句"你用心读"看,这里要一个表假设的连词,主句一般
将来时从用一般现在时说明后句是表设的条件语从句,结合选项 unless 可以引导一个假设的条
件状语从句,意为"除非",相当于 if not.故选 D
3.-We will fail the exam____we study hard
-That's why we are trying our best to prepare for the exam
Auntil Bwhen Cunless Dhow
【答案】C
【解析】-非我努力学习否则我们(考试)会失的.-这就是为什么我们正在努力为试做准备
until when unless how We will fail the exam____we
study hard.推测后句是上句的条件,而且是否定的条件;用 unless 引导;unless=if not;故选 C
4.Our world will get better and better_____each of us lives a greener life
1
Abefore Bif Cthough Duntil
【答案】B
【解析】如果我们每个人过更环保的生活,我们的世界就会变得越来越美好.联系语境并根据前后句子的
对比,推测句意是"如果我们每个人过更环保的生活,我们的世界就会变得越来越美好.",其中"each of us
lives a greener life""Our world will get better and better"的条件.所以用 if 引导条件状语从句.故选 B
5.---I think everyone should play a part in saving our environment
---I agreeFor examplethere will be less air pollution_____we drive less
Aif Bso Cthough
【答案】A
【解析】-认为个人都应在拯救我们的环境中发作用-同意例如,如果我们少开车就会
更少的空气污染.if 如果;so 于是;though 虽然;根据句中信息"we drive less 我们少开车""there will be
less air pollution 减少空气污染"的条件,故用 if 引导,组成条件状语从句;意为:如果我们少开车,就会减
少空气污染.故选 A
6If you go to his party tomorrow, .
A. won’t, neither do I B. don’t, neither will I
C. don’t, neither do I D. /, so do I
【答案】B
【解析】试题分析:句意:如果你明天不参加的聚会,我也不去。分析:考查 if 引导的条件状语从句,
通过时间状tomorrow 体现时间将来时,因此从句用一般现在时,主语是第二人称用 do; 我也不去,为主
句,同时前句为否定形式,因此用 neither.故选 B
7.—Do you know if ________ tomorrow morning?
—No. I will call you if she ________ back.
A. she will come; comes
B. she comes; will come
C. will she come; comes
D. will she come; will come
【答案】A
【解析】试题分析:句意:你知道明天早上她是否会来吗?不知道。如果她会来我就给给你回电话。If
导条件状语从句时,不能使用一般将来时,只能使用一般现在时;但 if 引导宾语从句时,可以根据表达
要选用不同的动词时态。所以选 A
8.—Will you come to the dinner party?
2
— I won’t come unless Jenny____.
A. will be invited B. can be invited
C. invited D. is invited
【答案】D
【解析】试题分析:句意:----你要来参加晚宴吗?----Jenny 也被邀请了我才来。在 unless 引导的是时
间状语从句中,用一般现在时表将来。故选 D
9 If our government ______ attention to controlling food safety now, our health ______ in danger.
A .won’t pay; is B. doesn’t pay; was
C. won’t pay; will be D. doesn’t pay; will be
【答案】D
【解析】试题分析:句意:现在如果我们的政府不注意食品安全,我们的健康将处于危险之中。在 if
的条件状语从句中,如果两个动作都没有发生,为了区别动作的前后关系,先发生的用一般现在时态,后
发生的用一般将来时态,即主将从现。根据句意故选 D
10 I'11 go hiking with Bruce if it tomorrow.
A. doesn't rain B. didn't rain
C. won't rain D. hasn't rained
【答案】A
【解析】试题分析:句意:如果明天不下雨我将要和布鲁远足旅行。分析:if 引导的条件状语从句
体现主将从现的原则,it 是第人称单数,因此,动词用 does,故选 A
一.
Humans are mammals哺乳. Most mammals are born able to do many things.
Some can walk within a few minutes of being born. They have to be able to run away if 11 is near. But
human babies are born 12 . They need the care of adults to live.
In the first month of life, babies cannot smile or sit up. They cannot even hold up their own heads 13 some
help from grown-ups.
In the next few months, babies grow a lot. They learn to roll over, support their heads, and 14 sit up while
being held.
3
衔接点07 if、unless引导的条件状语从句-【衔接教材·暑假作业】八年级英语(仁爱版)(解析版).doc

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