A ★★★☆☆
Reusable straw with cleaner & case
This stainless steel straw (不锈钢吸管) is a good product to replace single-use straws. The straw folds (折叠) into four, meaning you can carry it in your pocket. It's also easy to clean, thanks to the supplied brush. You can get it now for just $24.99 — that's 50% off.
Aduro HomeDome Smart Outlet (插座)
This new product fits in any outlet and allows you to control the power supply through your phone. This means you can cut your energy use, from lights to heaters. The Aduro is now 60% off at just $19.99.
Omega AXL Inkless Pen
Millions of ballpoints are made and thrown away each year. The Omega AXL is a green replacement — this amazing pen puts down perfect lines using a special kind of aluminium. It never runs out, and your drawings will always stay clean and tidy. Worth $39.99, the Omega pen is now discounted (打折扣) to $29.99.
Altgalley chopsticks
Disposable (一次性的) chopsticks are another example of unnecessary waste. The Altgalley chopsticks are better for the planet, and they won't affect the taste of your dish. In addition, they are specially designed so they will stand upright. This makes sure that the chopsticks stay clear of restaurant-table dirt. You can get a pair now for $11.99, saving 33 percent on the usual price.
21. Which product offers the highest discount?
A. Reusable straw.
B. Altgalley chopsticks.
C. Omega AXL Inkless Pen.
D. Aduro HomeDome Smart Outlet.
22. What do we know about the Omega AXL Inkless Pen?
A. It can be used for a very long time.
B. It is a kind of ballpoint pen.
C. It can be easily erased.
D. It can stand upright.
23. What do the four products have in common?
A. They can be connected to smart phones.
B. They are widely popular with families.
C. They are environmentally friendly.
D. They are easy to carry and clean.
