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Apps can teach you things or let you have fun. The following are some apps that you may use in your daily life.
 | Kindle Do you love to read? Do you wish that you could bring all of your books with you everywhere you go? Kindle allows you to do so. This app has over a million free e-books to download. With Kindle, you can read anything from comic books and novels to magazines and newspapers. |
 | Calm Calm is an app that can help you relax and sleep better. It has a lot of features to help you relax. For example, it has calming sounds like ocean waves and rain. |
 | RunKeeper Sometimes the hardest part of exercising is getting started. If you want to get started, you’d better try RunKeeper. It is a good app that can help you exercise. Are you ready to start? If so, RunKeeper will always be with you. |
 | Pocket If you don’t have enough time to read news stories or watch videos, Pocket can help you save all of them online. Then you can read them or watch them when you are free. You can view them offline, too. Besides, it can also help you organize the things you have saved. |
1．How many apps can help you to read?
| A．One. | B．Two. | C．Three. | D．Four. |
| A．read news stories | B．watch videos |
| C．organize the things you have saved | D．relax and sleep better |
| A．Kindle. | B．Pocket. | C．RunKeeper. | D．Calm. |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
