When the airplane takes off ， the passengers are told to _______ their seat belts.

A . Secure all lighting to the main deck B . Provide a portable fan to blow away fumes C . Prohibit smoking in the area D . Display a black triangle during daylight hour

A . One man report the fire, and the other two men fight the fire B . One man report the fire, one man fight the fire, and one man evacuate and secure the area C . One man report the fire, one man fight the fire, and one man act as a safety observer D . All three men fight the fire and report it immediately after it is extinguished

A、the relief of that officer shall be made prior to such action has been completed B、the relief of that officer shall never be made C、the relief of that officer shall be deferred until such action has been completed D、the relief of that officer shall be made by the captain

A . 正确 B . 错误

A . A、I NOW HAVE THE WATCH. B . B、I NOW HAVE THE CONN. C . C、YOU NOW HAVE THE WATCH. D . D、YOU NOW HAVE THE CONN.

A . The BPDU version number B . The access layer bridge setting C . The Bridge ID D . The spanning-tree update number E . The bridge priority F . The VLAN number

A .  DB_CACHE_SIZE B .  SHARED_POOL_SIZE C .  LARGE_POOL_SIZE D .  JAVA_POOL_SIZE E .  SGA_MAX_SIZE F .  SORT_AREA_SIZE

A . Nothing happens B . Oracle will automatically switch redo logs when detected  C . Oracle eventually won't allow new records to be added to the database  D . The instance crashe

A．Because it is extremely dangerous to conduct such research on an airplane. B．Because it remains a mystery what wavelengths are liable to be interfered with. C．Because research scientists have not been to produce the same effects in labs. D．Because experts lack adequate equipment to do such research. 此题为多项选择题。

Laurence Lennon, 44, said he was running late that day. He was talking to his manager on his cell phone when he dashed out of the cab. He said that he gave the driver ＄60 and told him to keep the change. He walked through the front doors of the concert hall still talking on the phone to his manager. Upon discovering his loss, Lennon used his cell phone to call the police. (33) The policewoman asked him for the name of the cab company, the number of the cab, and the name of the driver. He said that she had to be kidding. She told Lennon that he could file a missing items report at the police station or online. (34) She told him that finding the guitar might take a couple of years, as finding guitars was not as important as finding murderers and drug-takers. Lennon considered that year depressing, as he had to postpone the recording of two new CDs. He has been using borrowed guitars, and he was losing hope of ever recovering his guitar. Lennon was reunited with his ＄100,000 guitar yesterday. The case and the guitar had been discovered in the comer of a coffeehouse only two blocks from where Lennon had lost it in the first place. Lennon had offered a＄ 10,000 reward for its return. (35)He said he would give the reward to the coffeehouse owner, who had found the guitar and notified the police. The police department prepared a news release about its success in tracking down the guitar. (33) A．Two years ago, in a taxicab. B．Two years ago, in a coffeehouse. C．One year ago, in a taxicab. D．One year ago, in a coffeehouse.

A．Porpoise B．Wingover C．Dutch roll

A、Two; one at the forward, end the other at the most rearward location in the passenger cabin. B、Two; one at the most rearward and one in the center of the passenger cabin. C、Two; one located near or accessible to the flightcrew, and one located near the center of the passenger cabin.

A．It takes a long time to ruin good topsoil. B．It was wrong to believe that land could not be damaged. C．Farmers should not have moved on to other places. D．Plowing the land creates good topsoil faster than natural processes do. 此题为多项选择题。

A．In the morning. B．At two o'clock. C．During lunch. D．After work.

A．look B．see C．have D．mind

A、Lift off at a point well past the jet airplane’s flightpath B、Climb above and stay upwind of the jet airplane’s flightpath C、Remain below the flightpath of the jet airplane

A．number B．speed C．weight D．height