英语阅读求解答What would it be like to fall at a speed（速度）

英语阅读求解答What would it be like to fall at a speed（速度）
81．Li Feng __________ A．is a Chinese Air Force pilot B．was born on March 7 C．has been a pilot for 38 years D．became a pilot at the age of 38 82．What happened to Li Fang during a training exercise?A．His plane flew too high and too fast． B．Something went wrung with the plane's computer． C．The engine of his plane broke down． D．His plane flew faster at the height of 1,160 meters． 83．What did the red message on the plane's screen mean to Li Fang?A．He should first try to slow down the speed of the plane． B．The plane might be out of control at any time． C．He had to give the engine a quick cheek and restart it at once． D．He needn't ask the captain for permission for an emergency landing． 84．The underlined word "deadline" in the passage means "_____" A．25 meters a second from height of 1,160 meters B．the plane out of control at any height C．the speed and pressure that the pilot can be ejected D．the plane fails below 2,000 meters and can't be restarted 85．Which of the following is TRUE according to the passage?A．The engine of Li Feng's plane stopped working 7km above the airport． B．During an interview Li Feng told the reporters that his plane was completely out of control． C．It took 104 seconds for Li Feng to get control of his plane before landing safely on the ground． D．Li Fang's bravery and calm helped him save the Jian-10（Fighter-10）．