16.Humans are mammals(哺乳動物).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(1)
is near.But human babies are born(2)
.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(3)
some help from grown-ups(成人). In the next few months,babies grow a lot.They learn to roll over,support their heads,and(4)
sit up while being held. Babies also have to learn to use their(5)
.It takes months for them to learn to reach for objects.At around six months old many babies can(6)
an object from one hand to another. Babbling is(7)
a human baby learns to speak.Babies all seem to make similar sounds by babbling.They try to imitate (模仿) the sounds they hear from grown-ups.It will take about nine months(8)
a baby can say real words. Somewhere around a baby's first birthday he or she may stand or walk with help.Soon the baby will(9)
around on his or her own! The first year of a baby's life is a time of growing and(10)
17.There are some facts about sweet potatoes you probably don't know.
First Found in American Countries They're in the family of plants that includes morning glories(牽牛花)and are in a different family than yams(山藥).Yams are from Africa and are more closely related to lilies(百合花).
A 5000-Year-Old Food When Christopher Columbus arrived in American countries(世紀) in the 15th century,sweet potatoes were already a main crop.He took some with him back to Spain and by the 16th century,gardens all over Europe were growing them.
A Healthy Choice White potatoes may be cheaper than sweet potatoes but sweet potatoes have more nutritonal(營養的)value.Also,white potatoes can lead to blood sugar problem and some other health problems.
Health Facts ◆A Rich Source of Beta-Carotene (β-胡蘿卜素) This powerful Beta-Carotene gives sweet potatoes their yellow,gold,or orange coloring and changes to vitamin A in your body. ◆High in Fiber(纖維),Low in Fat Sweet potatoes are high in fiber which is great for health.Also,they contain very little fat.
(1)The material above is
. A.a letter B.an advertisement C.a report D.a ticket (2)The material mentions(提及) all the information below WITHOUT
. A.sweet potatoes' family B.the history of sweet potatoes C.health facts of sweet potatoes D.sweet potatoes' price (3)What can we know about sweet potatoes from the passage?
A.Sweet potatoes were first found in Africa. B.The family of sweet potatoes includes yams. C.Sweet potatoes are from American countries. D.Sweet potatoes are closely related to lilies. (4)From the passage we know that
. A.sweet potatoes have a history of 5000 years B.Columbus was the first to find sweet potatoes C.white potatoes are cheaper but more valuable D.sweet potatoes often cause health problems (5)Sweet potatoes are good to people because they are rich in
52.We live in a world full of many different kinds of people.We want to make friends with others.We also want to be liked by others,The following ways will make others like you. Do This and You'll Be Welcome Anywhere Become really interested in other people.A show of interest must be true.It must bring good results not only to the person showing the interest,but also to the person receiving the attention.It's a two-way street. A Simple Way to Make a Good First Impression(印象) Smile as often as possible.Your smile is a sign of kindness.When someone feels stressed(壓力的) from his or her teachers or parents,your smile is like the sun breaking through the clouds,your smile can help him or her feel that all is hopeful in the world. If You Don't Do This,You Are Getting into Trouble Remember a person's name.A person's name is the sweetest and the most important sound in any language.We should realize the magic in a name.The name makes the person not the same as others;it makes him or her special among all others.If you remember a person's name,the relationship between both of you will become much closer. An Easy Way to Become a Good Talker Be a careful listener first.Ask questions that other persons will like to answer.Encourage them to talk about themselves and their achievements(成就).What you need to do is just to listen,because people are much more interested in themselves.
Title (1)
to make people like you
Become really(2)
in others
? Your show of interest must be true. ? It must bring good results to (3)
of you.
Smile as often as possible
? Your smile makes you look (4)
. ? Your smile makes others think that there is (5)
in the world.
Remember a person's name
? A person's name makes him or her (6)
from others. ? A person's name is the sweetest and the most important sound in any (7)
.
Listen (8)
first
? You ask questions that others enjoy (9)
. ? They are (10)
interested in talking about themselves and their achievements than anything else.
53.Nowadays,some young people are interested in 3-D printing.Students at Shanghai High School have the chance to get close to this new technology.The school opens a new course c(1)
3-D Creative Space this year. The 3-D printing technology is developing f(2)
.The school plans to open this course this term b(3)
many experts (專家) think 3-D technology is helpful for students to be creative.Students from Grade 5-8 can take this course once a week.Each class(4)l
for 90 minutes.It usually begins w(5)
a funny game or an i(6)
video to attract the students' attention.During the classes,students have the chance to assemble (組裝) 3-D printers t(7)
,after listening to the teacher.Max,a fourth-grader,has already been a(8)
to use cool software (軟件). "3-D printing is an interesting course." he said. "I used it to make my own DIY projects,including shapes,s(9)
and functions(功能)," he a(10)
.In class,students have already printed many things,such as bookmarks and castles.It usually takes about 20 minutes to print out a small object.