B．usinesses choose the air-courier service because_____.

A． it costs less B. it is flexible C. it saves time D. it grows fast

[单选题]A．n air courier is a person who_________A． .manages a business company in foreign countriesB． organizes international flights for touristsC． travels around the world with cheap ticketsD． delivers papers and packages to foreign countries.

[单选题]In the（ ），businesses offer services for which they charge a fee that is based on the number of size of transactions they process.Some of these services lend thenselves well to operating on the Web.A．Fee-for-Transaction Revenue ModelB．Advertising-Supp

[单选题]TCP/IP(71)layer protocols provide services to the application(72)running on a computer. The application layer does not define the application itself, but rather it defines(73)that applications need--like the ability to transfer a file in the case of

[单选题]A．ccording to Harry Morrison, businesses .A．will benefit from cutting carbon emissionsB．should buy carbon allowances for shoppersC．are required to make up for their carbon emissionsD．have encouraged shoppers to take their custom elsewhere

[单选题]The author mentions businesses in Paragraph 5 in order toA． argue against free university educationB． call on them to finance students' studiesC． encourage graduates to go into businessD． show their contribution to higher education

[试题](d) Family owned and managed businesses often find delegation and succession difficult processes to get right.What models would you recommend that Tony use in looking to change his leadership and management styleto create a culture in the Shirtmaster

[单选题]Compressed air is supplied by air compression to （）.A . the air receiversB . the starting valvesC . the cylinder coversD . the distributor

[单选题]Freight forwarding is an intermediary service between businesses and（）compa

[单选题]Freight forwarding is an intermediary service between businesses and（ ）comp

[单选题]Many businesses ship their products by rail if they are shipping longdistan