Before the construction of the road, it was prohibitively expensive to transport any furs or fruits across the mountains.

[单选题]Road transport of goods is the principal means of transport in manycountrie

[单选题]Road transport of goods is the principal means of transport in many countri

[多选题]Which of the following may be the disadvantages of road transport？（ ）A.Tran

[多选题]Which of the following may be the disadvantages of road transport？（ ）A.Tran

[单选题]Never before _______ see such a terrible car accident on the road!A.I haveB

[单选题]Never before _______ see such a terrible car accident on the road!A.I haveB

[单选题]B．efore performing any maintenance on a hydraulic system storing energy in an accumulator, you shouldA．pressurize the system to test for leaksB．bleed off all pressure within the systemC．operate the machine until it reaches normal temperatureD．disconn

[单选题]The difference between the multimodal transport by rail/road/inlandwaterway

[单选题]The difference between the multimodal transport by rail/road/inland waterwa

[单选题]Before starting any diesel or gasoline engine，which of the following must be checked? （）A . Oil levelB . Flow of cooling waterC . Exhaust dischargeD . All of the above