单选题Passengers should send their application to Air France _____.A upon receiving the application formB within 3 weeks of their first flightC before their first flight with Air FranceD within 6 months of joining the program

A. send up

B. send off

C. send away

D. send out

For safety reasons，when assistance towing ______．

A.the disabled vessel should be towed to the nearest port

B.the disabled vessel should be inspected for flammable gases

C.passengers should always be removed from the disabled vessel

D.personnel on the disabled vessel should don PFD's

A、in

B、to

C、with

You are writing an application that uses SOAP to exchange data with other applications.You use a Department class that inherits from ArrayList to send objects to another application.The Department object is named dept.You need to ensure that the application serializes the Department object for transport by using SOAP.Which code should you use?（）

A.

B.

C.

D.

If there’s a fire aboard your vessel, you should FIRST ______.

A.notify the competent authorities

B.sound the alarm

C.have passengers put on life preservers

D.cut off air supply to the fire

Man has always wanted to fly.Even as long as eight hundred years ago, an Englishman had tried.He made a (1)of wings from chicken feathers and fixed them to his shoulders.Then he jumped om a tall building.As you can imagine, he did not fly very far.(2) he fell to the ground and broke several bones.The first real attempt at flying took place in France in 1783.The two Mongolian brothers knew that hot air rose.If they could

fill a large balloon(3)hot air, they thought it would rise into the air and fly.They were right.They made a very large hot air balloon of cloth and paper.It measured ten meters it diameter.They filled it with hot air and the balloon got two hundred meters into the air.It fell into earth about three kilometers away.

At the next attempt, they (4) passengers use a bal loon to rise into the air and fly.We do not know what the passengers fell about the trip as they were a cock, a duck, and a sheep But we (5) know that the trip lasted eight minutes and the animals landed safely.(完型填空)

A.Instead

B.Pair

C.Do

D.Arranged

E.With