1 . Instruction Manual (手册) of Oximeter

Thank you for purchasing HBO-SMART Fingertip Pulse Oximeter. The main use of this product is for measuring patients’ oxygen saturation (SpO₂) (饱和度) and Pulse Rate (PR). Please carefully read the User Manual before use.

Product Features

● Visual and audible alarms for high/low SpO2 and Pulse Rate.

● High-performance sensors to improve data accuracy.

● Small & lightweight design (total 28g without batteries).

● Low battery indicator, plus automatic power off.

Instructions for Use

● Insert your finger into the rubber hole of the oximeter and rest your hand on your chest at heart level & hold it still.

● Lightly press the button on the panel of the oximeter to automatically test the results within about 8 seconds.

● Necessary maintenance must be performed by qualified service engineers only.

● Do not use the oximeter while the user is measured by MRI and CT.

● When the oximeter needs cleaning, please wipe its surface with medical alcohol by soft material. Do not spray any liquid on the device directly.

Environment Requirements

● Operation environment:

Temperature: 5℃ ~ 40℃; Humidity: 15% ~ 80%;

Atmospheric pressure: 70kPa ~ 106kPa.

● Transportation and storage environment:

Temperature: -10℃ ~ 55℃; Humidity: 95%;

Atmospheric pressure: 50kPa ~ 106kPa.

1. Which is a feature of the oximeter?

A．It gives warnings if wrongly operated.	B．It provides sensitive detection.
C．It is small in volume and low in price.	D．It uses energy-saving batteries.

2. What is advisable for the oximeter user?

A．Shaking it when in use.	B．Maintaining it personally.
C．Removing it during a CT check.	D．Cleaning it with water.

3. Which environment condition is excluded from consideration?

A．Temperature.	B．Humidity.
C．Air pressure.	D．Atmospheric quality.

2 .                                               
Roborock Q5+       iLifeV3s Pro Robot       Eufy RoboVae 11S       iRobot Roomba S9+     Samsung Jet Bot Al+

Roborock Q5+

Roborock’s midrange model overcomes most of the limitations of robot vacuums. It’s easy to clean, maps rooms flawlessly, and goes far on a charge. It doesn’t sense when its bin is full but can follow voice commands.

Price:$500. roborock.com

Source: Wired

iLifeV3s Pro Robot

A budget alternative, this machine “outperformed much more expensive vacuums.” You control it with a remote, not an app. But it’s thorough, avoids obstacles, and has no brushes that would require regular cleaning to remove fur and hair.

Price: $165, iliferobot.com

Source: Better Homes &Gardens

Eufy RoboVac 11S

This budget option is “surprisingly thorough.” It cleans more randomly because it doesn’t map your space and it doesn’t empty its own bin. But it’s quieter than its smart rivals and “a great value for light everyday maintenance.”

Price: $140. eufy.com

Source: Wall Street Journal

iRobot Roomba S9+

Roomba’s top-end model can’t match the cleaning power of a traditional vacuum, but it has few robotic rivals on that score. Another plus: The bin is automatically emptied into a disposable bag in the docking station.

Price: $799, irobot.com

Source: Consumer Reports

Samsung Jet Bot AI+

Though this pricey vacuum delivers “below average” cleaning performance, it’s good-looking, gentle on furniture, and is “packed full of features.” It can even double as a patrolling security camera that will live-stream to your phone.

Price: $1,300, samsung.com

Source: Tom’s Guide

1. Which of the following features belongs to iLifeV3s Pro Robot?

A．It is controlled by a remote.	B．It makes no noise when cleaning.
C．Its brushes needs no maintenance.	D．Its camera works as a monitor.

2. Which vacuum can clear the bin by itself?

A．Roborock QS+	B．Eufy RoboVac 11S
C．iRobot Roomba S9+	D．Samsung Jet Bot AI+

3. What is probably the major reason for consumers to choose Samsung Jet Bot AI+?

A．Its appearance.	B．Its function.
C．Its price.	D．Its source.

7 . You’ve heard of Black Friday, Small Business Saturday and Cyber Monday—they’re major shopping days. Now there’s another shopping day, and it’s called Secondhand Sunday, which is the brainchild of Poshmark, a social commerce marketplace that enables users to buy and sell clothing online, mostly used.

Poshmark asked global research firm Morning Consult to assess the secondhand market. It found over 90% of American adults say they would be willing to receive a secondhand or resold gift this season, but that only 34% are likely to buy them for others. This suggests a massive opportunity to close the gap—a task that Poshmark has undertaken with enthusiasm. Thus, Secondhand Sunday was born.

Poshmark is a platform on which individual sellers run their own shops and make extra cash. Secondhand Sunday has become a hit among them. While sellers have varying motivations for doing business, most are driven by the belief that buying secondhand items is important for the environment.

One such seller is Ashley Wheeler. Her husband worked as a truck driver at a landfill (垃圾填埋) site. They were both shocked at the amount of secondhand items that were getting dumped (倾倒), just because they were considered old or useless. Even when her husband asked to bring home items that still had value, he was rejected, because companies had paid the landfill site to deal with their garbage.

Wheeler said, “For us, that was a wake-up call. We realized it wasn’t just about us bringing our pre-owned items back into the market but finding other used items that companies were ready to deal with and help recycle back into use. That’s when we started to learn about Goodwill Outlets and other similar stores, where we source a majority of items. She now buys cast-off items from Goodwill’s “last chance” bins and resells them on Secondhand Sunday.

Amber McCasland, vice-president of Global Brand and Communications, said, “Secondhand Sunday is our first joint effort to change how people shop and gift during the holidays. The hope is that, instead of running out to buy new items as gifts, people will realize that it’s acceptable and even preferable to source used items instead.”

1. What drove Poshmark to start Secondhand Sunday?

A．The findings of an assessment.

B．The increasing shopping waste.

C．Booming gift-exchange seasons.

D．Buyers’ strong desire for old items.

2. What is the key factor for the popularity of Secondhand Sunday according to the text?

A．The great demand for more shopping days.

B．Some local landfill sites’ generous donation.

C．Shoppers’ curiosity about running businesses.

D．The improved public environmental awareness.

3. What does the underlined word “that” in paragraph 5 probably refer to?

A．Working as a truck driver at a landfill site.

B．Being rejected by some brand companies.

C．Seeing valuable used items dumped and landfilled.

D．Looking for secondhand items to resell.

4. What does Secondhand Sunday encourage people to do?

A．Buy used items as gifts on holidays.

B．Be cautious of online shopping.

C．Donate used items to companies.

D．Form the habit of recycling waste.