单项选择题
Wireless phones are available on today’s consumer market. Like most people, you’re probably interested in a little handheld number. They’re small and light. Transmitting(发送) 0.2 to 0.6 watt of power, these wireless phones come in a variety of models, digital cellular and digital PCS ( personal communications service) models, as well many cool shapes and colors.
How do you choose a mobile when two or three models look equally good Think about these characteristics:
A big, bright display--The more you use your phone, the more you’ll appreciate an ease-to-read display.
Light weight--Most wireless phones these days are tiny, so why take a 10-ounce model when a 6-ounce one works just as well
Accessories(配件)--If you want a certain type of hands-free car kit(成套用具) or other accessory, make sure it’s available for your specific phone;
Battery life--Look for a phone that allows you to talk for a long time;
External volume control--Take a phone with an external volume control. You’ll appreciate it the first time you use it in a noisy place;
Easy ringer volume control--Buy a phone that rings loudly enough for a moderately noisy environment, but is easy to tone down for, say, a funeral. Even better, get a phone with a vibrating alert.
A．A 10-ounce mobile usually works better than a 6-ounce one.
B．Light weight mobiles can function as well as heavy ones.
C．People are taking more interest in smaller mobiles than in bigger ones.
D．Tiny mobiles make people feel easier to read.