Using natural and organic products for skincare is increasingly popular-and that includes suncream. Many websites, including Pinterest and Instagram, feature users' recipes for homemade suncream. Judging from the comment, the rise in interest for homemade suncream is because some people fear the chemicals in shop-bought suncream and believe that natural products mixed at home will be better at protecting them from the sun's harmful rays. The fear originates from recent news that some suncream elements seem to disturb hormones (荷尔蒙).
Many of the homemade suncream recipes contain elements like shea butter and cocoa butter as well as coconut and vitamin E oils. The sun protection factor (SPF) values for these elements, according to the authors of these recipes, are between four and six. These SPF values, if true, are not enough to protect the skin against the harmful effects of sunlight. Some recipes include carrot seed essential oil, which the authors claim to have an SPF of 35-40. But this is unlikely, given the small amount used in these recipes. The European Commission recommended SPF factor for moderate skin protection is 15-29 (and 30-50+ for high protection).
The sun's most harmful rays are ultraviolet (UV) radiation-notably UVB and UVA radiation. UVB has a shorter wavelength and doesn't go far into the skin, but it is very dangerous as it can change the DNA in skin cells and cause skin cancer. UVA has a longer wave- length and can go much deeper into the skin. UVA can cause harmful reactive oxygen molecules (分子)called “free radicals” to form. These molecules can damage fat, protein and DNA in the skin, thereby weakening the normal function of skin cells.
Shop-bought suncream contains approved UV-blocking molecules that block UVA and UVB rays. Zinc oxide (氧化锌)is one of these UV-blocking materials. It has been extensively tested to determine the most effective size for blocking harmful rays. It is not clear whether the zinc oxide powder recommended for the homemade recipes meets with the recommended size or proportion needed.
1.What may concern consumers of the shop-bought suncream?
A.The price of it. B.The hormones in it.
C.The chemicals in it. D.The production process of it.
2.What are SPF values used for?
A.Measuring the amount of chemicals in suncream.
B.Measuring the harm suncream do to people.
C.Measuring the hormone level of suncream.
D.Measuring the protective effect of suncream.
3.What does paragraph 3 mainly talk about?
A.How sun protection products work.
B.What harm the sun's rays bring to skin.
C.How the sun's most harmful rays form.
D.How UVB and UVA radiation can be blocked.
4.What can be inferred from the last paragraph?
A.Shop-bought suncream needs more tests.
B.More zinc oxide powder is beneficial to skin.
C.Shop-bought suncream is more suitable for people.
D.More chemicals will be added into shop-bought suncream.
The age of technology is a great and convenient thing, but it does have effects on us in many different ways.
It causes long-term memory loss. Thanks to Baidu, we don't really have to remember much of anything. Questions are answered at the drop of a hat because Baidu is all-knowing! Is that a good thing, though? People aren't digging through their brains anymore to find answers. Here's the good news: we can still exercise our long-term memory by simply thinking before we Baidu. If we don't want to go down that road, we can search Baidu for some memory games to play. Turn Baidu into an asset instead of an enemy.
It makes us lack patience. Baidu gives us what we want. Everything is instant. In fact, if we have to wait for even a handful of minutes for anything, we start losing our minds. This idea of instant satisfaction carries through to many other aspects of our lives, too, like when we go out to eat, drive in traffic, or even deal with workplace accidents. Instead of using Baidu to lessen our anger, try searching for some mindful meditations (沉思).Focus on our breath and realize everything doesn't have to move at lightening speed. We can actually listen to some peaceful spa or meditation music on our Pandora, too!
It wastes our time. Be honest, how much time are we spending on Baidu every day? Whether we're doing research for our own personal needs, buying clothing, or writing a research paper, we all spend a ton of time on the trusty Internet. Are we always being efficient with this time? For the sake of our precious time, if we haven't used Baidu Drive, we should. Keep spreadsheets, text docs, PDFs, slideshows, and even recordings exactly where we can easily find them. Keep a running list of websites we know we'll revisit.
Overall, things are different these days. Yes, there are noticeable negative side effects because of the Baidu invasion, but we don't have to fall into that trap. Stay sharp and don't let ourselves become imprisoned doing the Baidu god's bidding.
1.Which of the following can best replace the underlined part “at the drop of a hat”?
A.at one point B.in no time C.in a way D.at a loss
2.Why do we turn impatient in real life according to paragraph 3?
A.We depend on ourselves too much.
B.We can't get everything with Baidu.
C.We can't get quick services in real life.
D.We get used to Baidu's quick convenience.
3.What is the author's advice on saving time online?
A.Using Baidu Drive.
B.Keeping papers correctly.
C.Being efficient with work.
D.Emptying websites records timely.
4.What does the text mainly tell us?
A.The side effects of Baidu and solutions.
B.The advantages and functions of Baidu.
C.The technology and influence of the Internet.
D.The disadvantages and risks of the Internet.
Glenda and Raphael Savitz moved to Newton in 2016. They found themselves welcomed into the neighbourhood with truly open arms. Three months later, they gave birth to Samantha . Unluckily, she was born entirely deaf. The neighbourhood was still excited to welcome little Samantha, of course, but they were worried about her parents.
The neighbours wanted to do something to make things easier for the family. All the neighbourhood agreed to take on the responsibility of learning an entirely second language all for their youngest member. Samantha would grow up learning to “speak” American Sign Language, so her friends and neighbours would learn to speak it right along with her. The group of 18 residents employed a sign language teacher and the whole neighbourhood except Glenda and Raphael Savitz began to learn American Sign Language in a neighbour's big living room. They believed people everywhere wished to have a community with something positive around and Samantha was bringing about a reason for them to get together.
The neighbours went on learning hard and kept things secret for as long as possible. They wanted thirstily to communicate with the little girl. Finally, the time had come to show Raphael, Glenda, and Samantha what they had done. The family found themselves deeply moved by the welcoming signs of their friends and neighbours. Glenda recalled it as one of the most affecting experiences she'd ever felt. A present for Samantha would have made her grateful, and this was so much more. Now after neighbours say hello to her parents, they bend down to greet three-year-old Samantha with sign language. At every turn, in the street, the grocery store, or by the canal, Samantha feels included.
1.Which of the following can best describe the neighbourhood?
A.Generous. B.Tolerant. C.Warm. D.Prejudiced.
2.What was the neighbours' decision for helping the Savitz?
A.Collecting money online.
B.Learning the sign language.
C.Companying Samantha all the time.
D.Teaching Samantha a second language.
3.What did the neighbours think of Samantha?
A.She forced her parents to struggle hard.
B.She set up an example for other children.
C.She caused the situation of her family's poverty.
D.She was an affectional bond of the neighbourhood.
4.What can be the best title for the text?
A.Neighborhood Welcomes A Newborn Baby With Sign Language
B.Neighborhood Takes A Newborn Deaf Baby As Sign Language Teacher
C.Neighborhood Learns Sign Language To Communicate With New Family
D.Neighborhood Learns Sign Language To Comfort Unfortunate New Parents
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Signature Taco Day Tour
To avoid tourist traps and dive deeper into Mexican culture, our Signature Taco Tour is for you! Our Foodie Guides will show you the best Mexican cuisine, tell you the best stories, and do their very best to keep you eating until you explode. Not only will you go “behind the scenes” and see the deliciousness made for tourists, you'll also learn about Mexican culture and history, plus extras like.
Las Caletas Beach Hideaway
Spend a relaxing day at Las Caletas Beach. The use of diving gear, canoe, and stand-up paddle boards is all available, as well as a scenic nature walk and admission to Kids' Adventure Park for the young ones. Away from the beach, you can seek out plenty of other fun activities including cooking classes and jungle walks.
Jungle Zipline (索道)Tour
Cheer and scream as you zip across the Rio Cuale and above the jungle along 11 lines that run from treetop to treetop. The ziplines get progressively longer and allow plenty of time to take in the tropical scenery from the air. When you reach the Tom and Jerry lines, prepare to race against a friend as you will be able to fly at speeds up to 60 miles per hour (96 km/h).
Rhythms of the Night-Sunset Cruise (游船)
As a blanket of stars covers the sky, enjoy authentic Mexican cuisine by candlelight. The buffet-style menu offers a wide-variety of items such as freshly grilled steak, tender chicken, grilled fish, pasta salad, and a mixture of fresh fruit and vegetables. And more importantly, watch the lively performance of ancient ceremony and learn historical and religious stories. Book a place in advance and enjoy your night.
1.In which tour can the tourists experience a sense of flying?
A.Signature Taco Day Tour.
B.Las Caletas Beach Hideaway.
C.Jungle Zipline Tour.
D.Rhythms of the Night-Sunset Cruise.
2.What is the feature of Signature Taco Day Tour?
A.Serving large groups.
B.Enjoying Mexican food.
C.Visiting the industry area.
D.Learning rural Mexican culture.
3.How does Rhythms of the Night-Sunset Cruise differ from the other tours?
A.It needs reservation.
B.It provides Mexican food.
C.It offers some history classes.
D.It allows visitors to take part in the play.
美国某中学举办英语寒假训练营，开设以下课程 cooking, swimming, giving first aid，playing football / basketball。假定你是李华，请你写封申请信，报名参加其中一门课程的学习。
内容包括:
1.你感兴趣的一门课程;
2.为什么想学这门课程;
3.你期望从中学到什么。
注意:1.词数100左右;
2.可以适当增加细节，以使行文连贯。
Dear Sir/Madam,
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours,
Lihua
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(
)，并在其下面写出该加的词。
删除：把多余的词用(＼)划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
Nowadays, the computer technology develops very fast that the Internet has become more and more popular. Some students regarded it as a great helper. Because there has a lot of information on line, so you can surf the Internet for any information you need in a short time without working hard in the library. This is also very convenient to talk with others by using the Internet. Moreover, other students think that there is some information on line which is not good for students. In addition, spend too much time playing games will not only have a bad effect on their studies but also do harm for health. Therefore, we should make properly use of the Internet. It is of great important to separate good plants from wild weeds.
