2 . For people, who are interested in sound, the field of sound technology is definitely making noise. In the past, sound engineers worked in the back rooms of recording studios, but many of today’s sound professionals are sharing their knowledge and experience with professionals in other fields to create new products based on the phenomenon we call sound.

Sound can be used as a weapon. Imagine that a police officer is chasing a thief. The thief tries to escape. And the officer can’t let him get away. He pulls out a special device, points it at the suspect, and switches it on. The thief drops to the ground. This new weapon is called a Long Range Acoustic Device(LRAD, 远程定向声波发射器). It produces a deafening sound so painful that it temporarily disables a person. The noise from the LRAD is directed like a ray of light and travels only into the ears of that person, but it is not deadly.

For those who hunger for some peace and quiet, sound can now create silence. Let’s say you are at the airport, and the little boy on the seat next to you is humming(哼唱) a short commercial song. He hums it over and over again, and you are about to go crazy. Thanks to the Silence Machine, a British invention, you can get rid of the sound without upsetting the boy or his parents. One may wonder how the Silence Machine works. Well, it functions by analyzing the waves of the incoming sound and creating a second set of outgoing waves. The two sets of waves cancel each other out. Simply turn the machine or point it at the target, and your peace and quiet comes back.

Directed sound is a new technology that allows companies to use sound in much the same way spotlights(聚光灯) are used in the theater. A spotlight lights up only one section of a stage; similarly, “spotsound” creates a circle of sound in on targeted area. This can be useful for businesses such as restaurants and stores because it offers a new way to attract customers. Restaurants can offer a choice of music along with the various food choices on the menu, allowing customers more control over the atmosphere in which they are dining. Directed sound is also beginning to appear in shopping centers and even at homes.

1. What could be inferred from Paragraph 2 about the effect of the LRAD?

A．It causes temporary hearing loss.

B．It slows down a running man.

C．It makes it easy to identify a suspect.

D．It keeps the suspect from hurting others.

2. The Silence Machine is a device specially designed to ________.

A．silence the people around you

B．remove the sound of commercials

C．block the incoming sound waves

D．stop unwanted sound from affecting you

3. What feature do spotsounds and spotlights share?

A．They travel in circles.

B．They clear the atmosphere.

C．They can be transformed into energy.

D．They can be directed onto a specific area.

4. Directed sound can be used for ________.

A．creative designs of restaurant menus

B．ideal sound effects on the theater stage

C．different choices of music for businesses

D．strict control over any suspicious customer

5. What does the passage focus on?

A．How professionals invented sound products.

B．Inventions in the field of sound technology.

C．The growing interest in the study of sound.

D．How sound engineers work in their studios.

3 . They are trying to make sure that 5G terminals ________ by 2022 for the Beijing Winter Olympics.

A．will install

B．will have been installed

C．are installed

D．have been installed

4 . Lots of people find it hard to get up in the morning and put the blame on the alarm clock. In fact, the key to easy morning wake-up lies in resting your body clock     1    . Here is how to make one.

•     2     In order to make a change, you need to decide why it’s important. Do you want to get up in time to have breakfast with your family, get in some exercise or just be better prepared for your day? Once you are clear about your reason, tell your family or roommates about the change you want to make.

• Rethink mornings. Now that you know why you want to wake up, consider re-arranging your morning activities. If you want time to have breakfast with your family, save some time the night before by setting out clothes, shoes, and bags.     3     That’s a quarter-hour more you could be sleeping if you bought a coffee maker with a timer.

• Keep your sleep/wake schedule on weekends. If you’re tired out by Friday night, sleeping in on Saturday could sound wonderful. But compensating (弥补) on the weekends actually feeds into your sleepiness the following week, a recent study found.     4    .

• Keep a record and evaluate it weekly. Keep track of your efforts and write down how you feel. After you’ve tried a new method for a week, take a look at your record.     5     If not, take another look at other methods you could try.

A．Get a sleep specialist.

B．Find the right motivation.

C．A better plan for sleep can help.

D．And consider setting a second alarm.

E．If the steps you take are working, keep it up.

F．Stick to your set bedtime and wake-up time, no matter the day.

G．Reconsider the 15 minutes you spend in line at the cafe to get coffee.

5 . (2016·天津)The manager put forward a suggestion __________ we should have an assistant. There is too much work to do.

A．whether	B．that
C．which	D．what

6 . _______you eat the correct foods will you be able to keep fit and stay healthy.

A．Even though

B．If only

C．Only when

D．Only if

9 . Clifton College’s The English Experience

Location: Bristol Ages: 12 to 17

Fees (费用): 2 Weeks: £ 2740; 3 Weeks: £ 4110; 4 Weeks: £ 5480

Start Dates: 9, 16, 23, 30 July & 6, 13 August 2023

The English Experience challenges students while building their confidence in English and many other skills that are useful inside and outside the classroom. At the beginning of each week, students are put into small groups and given a complex problem to work through to find a solution and present it in their chosen way. Teachers are there to guide the students, which is why class sizes are 12 at most.

In the afternoons, students choose an elective (选修科目) to follow for 6 hours per week. These include such courses as news reporting, presentation skills, a Mini UN, and creative writing. Extra electives such as professional golf, tennis, and football coaching, as well as horse riding and exam preparation, lead to an additional cost.

Students go on two full-day excursions (短途旅行) per week. Mid-week excursions are planned around that week’s topic, so on the environmental week we go to a local environmental activity centre, while the theatre week involves a trip to a West End show with a drama workshop. Saturday excursions are more relaxed but still engaging, and include set time for shopping. Sunday excursions are shorter but also include an entrance to a local attraction.

1. What do we know about The English Experience?

A．It has six different time periods.	B．It admits 12 students at most.
C．It divides students into two groups.	D．It only trains students’ English skills.

2. What will you have to do if you choose horse riding in the afternoon?

A．Quit a full-day excursion.	B．Try to learn it for 6 hours.
C．Pay some extra money.	D．Choose another course.

3. Which will you choose if you hope to experience the week’s theme?

A．Pre-week excursion.	B．Mid-week excursion.
C．Saturday excursion.	D．Sunday excursion.

10 . “Just think positively!”

“It could be worse.”

“You should look at the bright side!”

We’ve all heard (and maybe used) these phrases without much thought. But they could be contributing to a culture of toxic (有毒的) positivity. For those new to this term, it might sound like an oxymoron (矛盾修辞法). How can positivity be toxic? Isn’t it supposed to be helpful, or “positive”, as the name suggests?    1    

“Toxic positivity is when somebody avoids all negative thoughts or feelings, pretending everything is going well when it is not,” explains Melissa Dowd, a therapist at PlushCare, a virtual health platform. Whitney Goodman, another licensed psychotherapist, describes toxic positivity as the “endless pressure to be happy and positive, no matter what the circumstances are.”    2    It’s also something we can cause   other people to experience.

Toxic positivity causes us to suppress our emotions, which can make them worse.     3    “Although it can be helpful to look on the bright side when facing challenges,” Dowd says, “not coping with negative feelings in a healthy way in the moment can lead to those feelings resurfacing later in different areas of your life or as a form of anxiety.”     4     “If I feel like you’re going to set me aside, I’m going to stop sharing how I’m feeling,” Goodman adds.

    5    If you’re using toxic positivity against yourself, Goodman suggests remembering it’s OK if you’re upset about something. It’s valid if something annoys you. “Allow ourselves and other people to share when they’re going through a difficult time,” she says. Dowd adds that it’s essential that “we all learn to cope with and process our emotions in a healthy way as opposed to avoiding how we feel” as life’s   stressors continue to rise. For example, instead of simply saying “Just think positively,” we’d better say “Sometimes bad things happen. How can I help?”

A．Are there ways to avoid toxic positivity?

B．Toxic positivity also interrupts connection.

C．It can harm people who are going through difficult times.

D．Expressing toxic positivity to others may look like offering them a simple solution.

E．They become more intense and can also cause long-lasting health concerns in the future.

F．Experts say constant forced positivity can lead to the opposite, and have a negative effect.

G．This is what we may bring on to ourselves by not allowing negative thoughts and feelings.