Don’t leave the water ________ while you brus...

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Don't leave the water　　　　　　 while you brush your teeth.
A. run　　　　　　 B. running
C. being run　　 D. to run

高二英语单项填空中等难度题查看答案及解析
Don’t leave the water_______ while you brush your teeth.
A.run B.running
C.being run D.to run

高二英语单项填空中等难度题查看答案及解析
Don’t leave the water ______ while you brush your teeth.
A. run B. running C. being run D. to run

高二英语单项填空简单题查看答案及解析
Don’t leave the water ________ while you brush your teeth.
A. run B. running C. being run D. to run

高二英语单项填空简单题查看答案及解析
Don’t leave the water ______when you brush your teeth.　
A. run　　 B. to run　　 C. running　　 D. being run

高二英语单项填空中等难度题查看答案及解析
How fit are your teeth? Are you lazy about brushing them? Never fear: An inventor is on the case. An electric toothbrush senses how long and how well you brush and it lets you track your performance on your phone.
The Kolibree toothbrush was exhibited at the International Consumer Electronics Show in Las Vegas this week. It senses how it is moved and can send the information to an Android phone or iPhone via a Bluetooth wireless connection.
The toothbrush will be able to teach you to brush right (don’t forget the insides of the teeth!) and make sure you’re brushing long enough. “It’s kind of like having a dentist actually watch your brushing on a day-to-day basis,” says Thomas Serval, the French inventor.
The toothbrush will also be able to talk to other applications on your phone, so developers could, for example, create a game controlled by your toothbrush. You could score points for beating monsters among your teeth. “We try to make it smart and fun,” Serval says.
Serval says he was inspired by his experience as a father. He would come home from work and ask his kids if they had brushed their teeth. They said “yes,” but Serval would find their toothbrush heads dry. He decided he needed a brush that really told him how well his children brushed.
The company says the Kolibree will go on sale this summer, from $99 to $199, and the U.S. is the first target market.
1.All of the following statements are wrong except ____________.
A. It can sense how users brush their teeth.
B. It can track users’ school performance.
C. It can check users’ fear of seeing a dentist.
D. It can help users find their phones.
2.What can we learn from Serval’s words in Paragraph 3?
A. You will find it meaningful to see a dentist.
B. You should see your dentist on a day-to-day basis.
C. You can brush with the Kolibree as if guided by a dentist.
D. You’d like a dentist to watch you brush your teeth every day.
3.What does the underlined sentence mean?
A. You can use the toothbrush to update mobile phones.
B. You can play games by using the tooth brush .
C. Brushing teeth can kill some bacteria(细菌) in the mouth.
D. Brushing teeth helps to play games better.
4.What can we infer about Serval’s children?
A. They were unwilling to brush their teeth.
B. They often failed to clean their toothbrushes.
C. They preferred to use a toothbrush with a dry head.
D. They liked brushing their teeth after Serval came home.

高二英语阅读理解困难题查看答案及解析
How fit are your teeth? Are you lazy about brushing them? Never fear: An inventor is on the case. An electric toothbrush senses how long and how well you brush, and it lets you track your performance on your phone.
The Kolibree toothbrush was exhibited at the International Consumer Electronics Show in Las Vegas this week. It senses how it is moved and can send the information to an Android phone or iPhone via a Bluetooth wireless connection.
The toothbrush will be able to teach you to brush right(don’t forget the insides of the teeth!)and make sure you’re brushing long enough.“It’s kind of like having a dentist actually watch your brushing on a day-to-day basis,” says Thomas Serval, the French inventor.
The toothbrush will also be able to talk to other applications on your phone, so developers could, for instance, create a game controlled by your toothbrush. You could score points for beating monsters among your teeth.“We try to make it smart but also fun,” Serval says.
Serval says he was inspired by his experience as a father. He would come home from work and ask his kids if they had brushed their teeth. They said“yes,” but Serval would find their toothbrush heads dry. He decided he needed a brush that really told him how well his children brushed.
The company says the Kolibree will go on sale this summer, for $99 to $199,depending on features. The U.S.is the first target market.
Serval says that one day, it’ll be possible to replace the brush on the handle with a brushing unit that also has a camera. The camera can even examine holes in your teeth while you brush.
1.Which is one of the features of the Kolibree toothbrush?
A. It can sense how users brush their teeth.
B. It can track users’ school performance.
C. It can detect users’ fear of seeing a dentist.
D. It can help users find their phones.
2.What can we learn from Serval’s words in Paragraph 3?
A. You will find it enjoyable to see a dentist.
B. You should see your dentist on a day-to-day basis.
C. You can brush with the Kolibree as if guided by a dentist.
D. You’d like a dentist to watch you brush your teeth every day.
3.Which of the following might make the Kolibree toothbrush fun?
A. It can be used to update mobile phones.
B. It can be used to play mobile phone games.
C. It can send messages to other users.
D. It can talk to its developers.
4.What is Paragraph 5 mainly about?
A. How Serval found out his kids lied to him.
B. Why Serval thought brushing teeth was necessary.
C. How Serval taught his kids to brush their teeth.
D. What inspired Serval to invent the toothbrush.

高二英语阅读理解中等难度题查看答案及解析

1.How many times did you brush your teeth yesterday?

·Finding：A full 33% of seniors brush their teeth only once a day.

·Step：Remove the 300 types of bacteria in your mouth each morning with a battery－operated toothbrush. Brush gently for 2 minutes, at least twice a day.

2．How many times did you wash your hands or bathe yesterday?

·Finding：Seniors, on average, bathe fewer than 3 days a week. And nearly 30% wash their hands only 4 times a day—half of the number doctors recommend.

·Step：We touch our faces around 3，000 times a day—often inviting germs(病菌)to enter our mouth, nose, and eyes. Use toilet paper to avoid touching the door handle. And, most important, wash your hands often with hot running water and soap for 20 seconds.

3．How often do you think about fighting germs?

·Finding：Seniors are not fighting germs as well as they should.

·Step：Be aware of germs. Do you know it is not your toilet but your kitchen sponge(海绵)that can carry more germs than anything else? To kill these germs, keep your sponge in the microwave for 10 seconds.

1.What is found out about American seniors?

A．Most of them have good habits.

B．Nearly 30% of them bathe three days a week.

C．All of them are fighting germs better than expected.

D．About one third of them brush their teeth only once a day.

2.Doctors suggest that people should wash their hands ________．

A．twice a day 　　　 B．three times a day

C．four times a day　 D．eight　 times　 a day

3.Which of the following is true according to the text?

A．We should keep from touching our faces.

B．There are less than 300 types of bacteria in the mouth.

C．A kitchen sponge can carry more germs than　 a toilet.

D．We should wash our hands before touching a door handle.

高二英语阅读理解中等难度题查看答案及解析

While your competitors are still waiting for the water to warm up, you could be giving your dragon boat season a jump-start with a paddling vacation in Orlando, Florida. Spring camp is suitable for all ages and levels, perfect for those looking for a break from the ordinary (or cold) while enjoying the sport of dragon boat with like-minded people.
The 2018 Florida Training Camp promises to be a week of fun and fitness on and off the water. Register as a team, small group or individual, with customizable (定制的) add-ons for those looking to give an edge to their personal performance.
The week will close out on Saturday with a camp BBQ and a racing regatta(赛船会)! Opening festivities begin on the evening of Sunday April 15th with camp check-in. Training begins on Monday April 16th and ends on Saturday April 21st.
GWN FLORIDA TRAINING CAMP
Dates: Monday April 16th to Saturday April 21st, 2018
Price: $395 USD, $370 before January 19th, 2018
Features include:
·Daily schedule
·Twice daily dragon boat training sessions
·Daily video analysis
·Individual help (twice weekly)
·Additional daily group sessions
·Camp-sponsored socials
CUSTOMIZE YOUR CAMP EXPERIENCE
The options outlined below are available during the week of camp and can be booked as an add-on. Add-ons can be included in your initial registration or purchased at a later time through the online registration system.
Option 1: High Performance Program, Cost: $75 USD
If you want to learn how to move your boat faster, the High Performance Program is for you! This option consists of three progressive one-hour sessions completely focused on racing techniques, strategies, and drills, with the goal of increasing your overall speed.
Option 2 : Coaching Community Dragon Boat (Level 1), Cost: $175 USD
This course is intended for anyone interested in entry-level coaching. Expect the material included in the course to cover safety, ethics (道德) in coaching, coach-athlete communication, basic dragon boat techniques, basic physiological requirements of dragon boat racing, race and practice planning, plus more.
1.According to the passage, _______in this camp.
A.you will enjoy a BBQ at the opening
B.you need to be over 18
C.you should have some dragon boat skills
D.you can have fun on land
2.How much does the camp with Option 1 cost if you pay at the end of 2017?
A.$ 370 B.$ 395
C.$ 445 D.$ 470
3.We can learn from the passage that ______.
A.Option 1 includes a three-hour session
B.add-ons can be bought during registration
C.Option 2 is for those fond of advanced coaching
D.video analysis is covered in the coaching course

高二英语阅读理解中等难度题查看答案及解析
Have you _____ your things, Bob? The train is leaving at 2:30 this afternoon, so we don't have too much time
A. added up　　 B. hidden away
C. set down　　 D. packed up

高二英语单项填空中等难度题查看答案及解析