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2020高考英语一轮复习Unit2Cloning练习(含解析)新人教版选修8

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Unit 2 Cloning

Ⅰ.阅读理解

Scientists have found that the risk of getting cancer and heart disease is reduced when we take part in physical activity—and now they’ve found cycling to work is one of the best activities to do this.

The study linked using two wheels with a halving of the risk of cancer and heart disease.It also showed that walking had some benefits over sitting on public transport or taking the car.Cycling to work is already popular in many cities across the world.Some authorities have built cycle lanes as well as providing secure places to lock them up.Some companies provide facilities for their employees to get changed and cleaned up when they arrive at work.It all makes good sense—according to people surveyed in this study,regular cycling cut the risk of death from any cause by 41%,the incidence of cancer by 45% and heart disease by 46%.

Cycling to work is quicker and cheaper than using public transport.While going to the gym to lose a few pounds takes effort and commitment,cycling has just become part of the work routine.Clare Hyde from Cancer Research UK says,“ This study helps to highlight the potential benefits of building activity into your everyday life.”

Of course,any exercise is good for you but it’s thought that cycling is better than walking because the activity is longer and more intense.Dr. Jason Gill,from the University of Glasgow,said,“ You need to get to work every day so if you build cycling into the day,it essentially takes willpower out of consideration.” You don’t need to wear skin-tight clothes,as long as you wear the most important accessory,a helmet.

1.The passage mainly focuses on .

A.the benefits of cycling B.the advantages of sports C.the changes of lifestyle D.the prevention of cancer 2.What can we learn from Paragraph two?

A.Walking is similar to sitting in a bus. B.Cycling to work has gained popularity.

C.Cycling to work causes more spending. D.City governments need more bicycles. 3.What is the advantage of cycling to work compared to going to the gym? A.It is longer and more intense.

B.It helps to lose more weight.

C.It can be part of daily life. D.It is quicker and cheaper. 语篇解读:本文是一篇说明文。文章主要阐述了骑自行车上班的好处。 答案及剖析:

1.A 主旨大意题。本文主要介绍了骑自行车有益于身体健康。因此A项是正确答案。 2.B 细节理解题。根据第二段的主旨句Cycling to work is already popular in many cities across the world.可知B项是正确答案。

3.C 推理判断题。根据倒数第二段第二句While going to the gym to lose a few pounds takes effort and commitment,cycling has just become part of the work routine.可知,相比去体育馆锻炼,骑自行车上班已经成为日常行为。 Ⅱ.七选五(2018云南昆明调研)

How to Say No Respectfully

Like most people, your natural instinct is probably to help others when you can.1. Whether you’re declining an invitation to a party or turning down a new project at work, you can say no while still being respectful. Whatever the situation is, be clear, polite and firm when saying no.

Express your thanks.2. If you have to turn someone down, express your thanks that they thought of you in the first place. You could say something like,“Thanks for considering me responsible enough to watch your kids. I’m sorry that I’m busy that evening.”

Think before you speak. If you say no immediately, it might seem like you didn’t even consider the request.In order to be respectful,take a moment to think about your answer—even if you already know what it is going to be.3.

Give a clear answer. Saying no respectfully shows that you’re honest and direct. 4. If you can’t help, say so. If someone is asking you on a date and you don’t want to go,make that clear.

5. You can say no without completely turning down the request. By setting boundaries, you can make it clear exactly what you can do and what you are willing

to do. For example, you could say,“I’m not free for dinner,but I would be coming for a quick drink after work.” A.Find a way to compromise.

B.Take a pause, and then kindly say no. C.But sometimes, you just need to say no.

D.It’s strange to feel guilty for turning someone down. E.Make it clear that you sincerely appreciate being asked.

F.If you feel it necessary, you can also provide a reason for your answer. G.Do not give people false hope that you will be able to satisfy their request. 答案:1-5 CEBGA

Ⅲ.完形填空(2018山东菏泽一模)

I was 5 that Christmas and couldn’t understand how poor we were. We’d just moved to Manhattan and 1 nobody there. Dad was serving overseas, so mother and I planned to get the Christmas tree in the evening, when their 2 usually dropped. After sunset, we walked to the shop in a parking lot 3 Christmas trees.

“How much is your cheapest tree?” mother smiled to a salesman. “Thirty dollars.”

Her 4 disappeared.“Can it be a little cheaper?” “I just work here. I have no 5 to change the price.”

6 ,the man pointed to a pile of branches in the corner of the lot,“ 7 that pile of cuttings? Behind it is a tree we can’t sell. You can have it for free.”We thanked him repeatedly before hurrying to the 8 of the pile and discovered a small tree with few branches.

Mother 9 ,“Can we take some of these branches?” “Take them all if you like.”

We pulled the tree and some branches home and 10 them in the living room. I couldn’t imagine how we could hang many decorations on the almost 11 tree.“Go to sleep now. Santa will 12 the tree for us,” mother said.

I woke at dawn and rushed into the living room. To my 13 ,the tree had been filled out. And it had a beautiful 14 shape. The decorations shone in the morning

light.Out of 15 ,I examined the tree closely.Mother had used wire to fix 16 branches to its trunks. She’d trimmed (修剪) it 17 to get its perfect shape.

Weeks later,dad 18 .When I told him about the 19 ,tears filled his eyes. Since then, I’ve spent many wonderful holidays, but that Christmas remains my 20 . 1.A.met

B.knew C.recognized

D.remembered

2.A.sales B.orders C.demands D.prices

3.A.selling B.storing C.showing D.designing 4.A.pride B.satisfaction C.smile D.confidence 5.A.duty

B.reason

C.excuse

D.right

6.A.Otherwise B.Suddenly C.Therefore D.Impatiently 7.A.Want 8.A.back

B.Forget

C.See D.Like

D.bottom

C.checked out D.called out

D.exhibited

D.meaningless

B.top C.front

B.tried out

9.A.gave out 10.A.placed

B.hid C.mixed

11.A.leafless B.valueless C.branchless

12.A.irrigate B.decorate C.explore D.preserve 13.A.surprise B.credit 14.A.regular 15.A.respect 16.A.donated

C.terror

D.worry

B.initial C.familiar D.natural B.curiosity C.sympathy D.anxiety B.rotten

C.abandoned D.broken

17.A.with care B.by accident C.at random D.in public 18.A.sacrificed B.succeeded

C.returned D.recovered

19.A.loss B.tree C.festival D.ceremony 20.A.secret B.pain C.regret

D.favorite

语篇解读:作者5岁那年的圣诞节他和妈妈去买圣诞树,由于当时家里经济状况不佳,所以带回来的是一棵树枝寥寥无几的小树,但是第二天作者发现这棵树发生了巨大的变化,原来作者的妈妈对其进行了修剪和装饰,因此那个圣诞节也成为作者的最爱。 答案及剖析:

1.B 根据本句中的just moved to Manhattan可知,那年作者一家刚刚搬到曼哈顿,所以还

不认识那里的人。know意为“认识”,符合语境。meet意为“遇见”;recognize意为“认可;认出”;remember意为“记得”。

2.D 根据第一句中的how poor we were及常识可推知,作者和妈妈之所以选择在晚上去买圣诞树,是因为在那个时间段圣诞树的价格往往会下降。price意为“价格”,符合语境。sale意为“销售”;order意为“订单”;demand意为“需求”。

3.A 根据上句中的get the Christmas tree可知,此处表示作者和妈妈前往一个位于停车场中出售圣诞树的商店。sell意为“售卖”,符合语境。store意为“储存”;show意为“展示;展览”;design意为“设计”。

4.C 根据前文中的mother smiled to a salesman和后文中的“Can it be a little cheaper?”可推知,此处表示妈妈询问售货员的时候面带微笑,但是在得知树的价格之后,脸上的笑容消失了,此处smile为原词复现。pride意为“骄傲”;satisfaction意为“满意”;confidence意为“自信”。

5.D 根据答语中的I just work here.及常识可知,此处表示售货员刚到这儿工作,没有权利更改价格。right意为“权利”,符合语境。duty意为“义务”;reason意为“原因”;excuse意为“借口”。

6.B 根据常理并结合选项可推知,此处应表示,店员突然指向停车场角落的一堆树枝。suddenly意为“突然”,符合语境。otherwise意为“否则”;therefore意为“因此”;impatiently意为“不耐烦地”。

7.C 根据前文的pointed to a pile of branches并结合选项可知,此处表示店员指着停车场角落,问作者的妈妈是否能看见那堆被砍下来的树枝,本空前省略了Can you。

8.A 句意为:我们不停地感谢他,然后匆匆地跑向他所指的树枝堆后方,(结果)发现了一棵几乎没有树枝的小树。根据前文的Behind it is a tree we can’t sell.可知,店员说树枝堆后面有一棵树。因此作者和妈妈应是走向树枝堆的后面,故back符合语境,意为“后面”。top意为“顶部”;front意为“前面”;bottom意为“底部”。

9.D 结合上文可知,堆树枝的地方离店员还有一段距离,所以作者的妈妈询问的时候要提高音量。call out意为“大声呼叫”,符合语境。give out意为“分发;发出”;try out意为“试验”;check out意为“结账离开;仔细检查”。

10.A 结合选项和常识可知,此处表示作者和妈妈把树和树枝拉回家,放到了客厅里。place意为“放置”,符合语境。

11.C 根据第8空所在句中的discovered a small tree with few branches可知,售货员

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