题目

人的肌肉组织分为快肌纤维和慢肌纤维两种，快肌纤维几乎不含有线粒体，与短跑等剧烈运动有关；慢肌纤维与慢跑等有氧运动有关。下列叙述错误的是(      ) A．消耗等摩尔葡萄糖，快肌纤维比慢肌纤维产生的ATP多 B．两种肌纤维均可在细胞质基质中产生丙酮酸、H和ATP C．短跑时快肌纤维无氧呼吸产生大量乳酸，故产生酸痛感觉 D．慢跑时慢肌纤维产生的ATP主要来自于线粒体内膜 Few people have faced death in a plane crash and lived to tell their stories. On Thursday 15 January 2009, a US Airways plane with 155 people on board landed on the icy waters of the Hudson River after a bird strike upon takeoff.After a flock of birds struck the plane, both engines were damaged and passengers heard a loud bang and smelled smoke. The pilot then radioed to air traffic controlling tower that he had suffered a bird strike and reported an emergency. He said that he needed to go back, and air traffic controllers gave him permission to do so, but he then said he wanted to head to Teterboro, New Jersey, because it was closer.With no power, the captain attempted the impossible: to land in the Hudson River. The plane cleared the George Washington Bridge by less than 900 feet before eventually gliding into the water. The way it hit it was very slow, soft and smooth.The captain came on and said, ‘Look, we’re going down. Get ready for impact(冲击力).’“Everyone looked at each other and we said our prayers. I said about five Hail Marys.” Sai Kolodjay when he remembered the terrifying moment.As soon as the plane hit the water, police, fire and Coast Guard boats as well as private yachts and commercial ferries from all directions came to help and were quickly on the scene as passengers lined up on safety chutes(逃生滑道) and were immediately taken away from the sinking plane. The captain was the last person to leave the plane. He walked up and down the plane twice before finally getting on a police boat when the plane began to sink.“I don't think there’s enough praise to go around for someone who does something like this.”said former Delta pilot Denny Walsh.President Bush also praised those involved in the rescue. “Laura and I are inspired by the skill and heroism of the flight crew as well as the dedication( 奉 献 ) and selflessness of the emergency responders and volunteers who rescued passengers from the icy waters of the Hudson,” he said.1.The U. S. Airways plane landed within a few minutes after takeoff because_____.A.there was a technical problem with the engine B.there was a bomb (炸弹) on the planeC.terrorists hijacked the plane D.birds stroke the plane2.After reporting the emergency, the pilot decided to fly to Teterboro, New Jersey instead of returning to the airport for the reason that__________.A.there was a bigger airport in Teterboro, New JerseyB.he was afraid that the plane would crash and explode soonC.the controlling tower did not allow him to go backD.he wanted to try water landing and set up a record3.The underlined “it” in the last sentence of the 3rd paragraph stands for______.A.the plane B.the bridge C.the water D.the ferry4.Why did the pilot walk up and down the plane twice before he got on the police boat?A.He was checking whether all the passengers had all left the plane.B.He was trying to find out the problem with the engine.C.He was sending a signal to the controlling tower nearby.D.He was waiting for the policemen to take him away soon.5.The name “Laura” in the last paragraph reminds you of the following names expect________.A.Juliane Kopcke from Peru B.Peng Liyuan from ChinaC.Princess Kate from Britain D.Michelle Obama from the U.S.