题目内容：

The online business model is changing on a satisfaction-first basis. It doesn't matter if someone recommended you an app, nothing beats getting to try out the app first before deciding on whether or not to apply for the service.

●Rhapsody

Listen to Rhapsody’s large music library and get the option to download and listen to songs or even full-length albums even when full-length albums even when you’re offline. At the moment, this service is available in 32 countries only. Remember that you’ll need to cancel within the free trial period to avoid being charged for your first month.

[Trial period—14 days∣After trial--$ 9.99/month ∣Try now]

●Bigstock

Need save photos for your presentations and artworks? Go to Bigstock to check out their collection from top artists and photographers around the world. Choose from over 30 million photos, and illustrations(插图), with 75,000 images coming in every new week. All you need to start your free trial is your email address.

[Trial period—7 days ∣After trial--$79/month ∣Try now]

●Canvas

If you are drowning in paperwork, perhaps it is time to use Canvas and transfer all your paperwork online. Digitalize your work orders, forms etc so that they can be filled up and completed right on any mobile device. This makes it easy to create, edit, gain valuable data and send it to the people who need it in seconds.

[Trial period—30 days ∣After trial--$13/month ∣Try now]

●Backupify

If you have ever lost your phone, you know how important it is to backup(备份) all your important documents, notes, contacts and other personal details. Get cloud-to-cloud protection of up to 3 PB of data with Backupify. You can backup your data for Google apps, Office 365, various social media sites and even Salesforce.

[Trial period—15 days ∣After trial--$3/month ∣Try now]

To learn more about the Apps above, Click Here.

1.Who is more likely to use the app Canvas?

A. A secretary.    B. A photographer.    C. An artist.    D. A musician.

2.To save photos, ________ can be of some help.

A. Bigstock and Canvas.    B. Backupify and Bigstock.

C. Rhapsody and Backupify.    D. Rhapsody and Canvas.

3.What do the four apps have in common?

A. Users will access them via email accounts.    B. They offer free entertainment services.

C. They can help brush up users’ work skills.    D. Users can try them without paying money.

4.Where can you find more information about such apps?

A. A magazine.    B. A TV show.    C. A website.    D. A newspaper.