When browsing on Internet, the protocol used to transfer between browsers and WWW servers is

When files are transferred between a host and an FTP server, the data is divided into smaller pieces for transmission. As these pieces arrive at the destination host, they must be reassembled to reconstruct the original file. What provides for the reassembly of these pieces into the correct order?

A．The sequence number in the TCP header

B．The Start Frame. Delimiter in the 802.3 Preamble

C．The TTL in the IP header

D．The acknowledgement number in the segment header

E．The frame. check sequence in the Ethernet frame. trailer

It is implied that the main impact that gene transfer between crops and weeds could have is.

A．the rapid development of unintended plant hybrids

B．the collapse of the agricultural industry

C．the development of pest and herbicide-resistant weeds

D．the difficulty to determine the given nature of current research

The（ ）can not be transferred to third parties．

Gear pumps are widely used to transfer any one of the following but .

A.fuel oil

B.lube oil

C.hydraulic oil

D.fresh water

When do high head power plants use surplus electricity to transfer water to a second reservoir?

A．In the morning.

B．At noon.

C．In the afternoon.

D．At night.

When do high head power plants use surplus electricity to transfer water to a second reservoir?

A．In the morning.

B．At noon.

C．In the afternoon.

D．At night.

Under the（ ）terms，the point of the transferring risks is when the goods pass the ship’s mil at the named point of shipment．

The air waybill is the document of title for the goods and can be transferred to the third party by endorsement.( )

A．正确

B．错误

It is possible to transfer risk through the use of insurance If the estimated probability of damage occurring to an asset is 2 percent, the insurance cost is $5,000, and the total worth of the asset is $300,000, is it worth insuring the asset?

A.There is no advantage since the cost of the insurance equals the cost of the possible loss of the asset

B.The insurance costs less than the expected value of the loss, so therefore it is best to purchase the insurance

C.Not desirable since it costs more to purchase the insurance than the expected value of the loss

D.Cannot determine form information provided

When you are transferring fuel oil to the setting tanks, precautions to be observed should include .

A.plugging gooseneck tank vents to prevent accident overflow

B.maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line

C.sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill

D.maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship