单项选择题 不属于法洛四联症畸形组成的是 A、肺动脉狭窄 B、室间隔缺损 C、主动脉骑跨 D、右心室肥大 E、房间隔缺损
未知题型 听力原文： The train I was traveling on was already half an hour latE.I had planned to arrive in Chicago at 7:00 in time to catch the 7:50 train to St. Louis, but there was no hope of that now. I explained the situation to the conductor who advised me to get off before Union Station and take a taxi. When the time came, he even helped me with my languagE.He wished mea good luck as I jumped off, and a few minutes later I was going towards the Union Station in a taxi. It was almost 7:50 when we stopped outside the station, I paid the driver quickly, carried my bags and hurried insidE.'The St. Louis train....'?' was all I had time to say to the first porter I saw. You can imagine my disappointment when he pointed to a train that was just moving out of the station.When did the train he was travelling on arrive in Chicago?A.At 7:00.B.At 7:50.C.In timE.D.Behind its timE.
未知题型 甲方在2月1日写好要约，但在2月3日才发出。甲方写的要约没有日期，到了2月10日才由邮局投到乙方的信箱。乙方11日才打开邮箱，看到要约。甲方规定的承诺期是15天。承诺期从何时计算（）
未知题型 Nowadays, a standard for measuring power has changeD.These changes foretell a new standard for measuring power. No longer will a nation's political influence be based solely on the strength of its military forces. Of course, military effectiveness will remain a primary measure of power. But political influence is also closely tied to industrial competitiveness. It's often said that without its military the Soviet Union would really be a third-world nation. The new standard of power and influence that is evolving now places more emphasis on the ability of a country to compete effectively in the economic markets of the worlD.America must recognize this new course of events. Our success in shaping world events over the past 40 years has been the direct result of our ability to adapt technology and to take advantage of the capabilities of our people for the purpose of maintaining peacE.Our industrial prowess (杰出才能) over most of this period was unchallengeD.It is ironic that it is just the prowess that has enabled other countries to prosper(繁荣) and in turn to threaten our industrial leadership.The competitiveness of America's industrial base is an issue bigger than the Department of Defense and is going to require the efforts of the major institutional forces in our society--not be a strong force in the process because we will. But we simply cannot be, nor should we be, liked upon by others as the savior (救星) of American industry.Now a nation's political influence depends on ______.A.the strength of its military forcesB.its ability to compete in industryC.economic marketsD.both A and B
问答题 列车司机在列车运行中，应随时检查机车总风缸、[填空(1)] 主管的压力。
未知题型 甲商场向乙企业发出采购200台电视机的要约，乙于5月1日寄出承诺信件，5月8日信件寄至甲商场，时逢其总经理外出，5月9日总经理知悉了该信内容，遂于5月10日电传告知乙收到承诺。该承诺生效时间为：（）
单项选择题 Listen to the tape and choose the right answer to each question on working at toxic workplaces. What might workers be three times more likely to suffer from? A、the sack B、 adverse conditions C、depression D、demotion
未知题型 甲公司于9月1日通过邮局向乙公司发去一要约，并请对方在9月28日前作出答复。该要约于9月7日到达乙公司所在地邮局，邮局于9月8日送至乙公司收发室，乙公司业务人员于9月10日看到该要约。要约的生效时间是（）
未知题型 By saying that 'soccer is an attractive target for gamblers'(Line 1, ParA.2), the author means that gamblers ______.A.are interested in playing soccerB.enjoy watching soccer gamesC.think match results hard to predictD.find match results easy to manipulate
未知题型 听力原文： University teaching in the United Kingdom is very different at both undergraduate and graduate levels from that of many overseas countries.An undergraduate course consists of a series of lectures, seminars and tutorials, and in science and engineering, laboratory classes, which in total account for about 15 hours per week. Arts students may well find that their official contact with teachers is less than this average, while science and engineering students may expect to be timetabled for up to 20 hours per week. Students studying for a particular degree will take a series of lecture courses which run in parallel at a fixed time in each week and may last one academic term or the whole year. Associated with each lecture course are seminars, tutorials and laboratory classes which draw upon, analyze, illustrate or amplify the topics presented in the lectures. Lecture classes can vary in size from 20 to 200 although larger sized lectures tend to de crease as students progress into the second and third year and more options become availablE.Seminars and tutorials are on the whole much smaller than lecture clasps and in some departments can be on a one-to-one basis. Students are normally expected to prepare work in advance, for seminars and tutorials and this can take the form. of re searching a topic for discussion, by writing essays or by solving problems. Lectures, seminars and tutorials are all one hour in length, while laboratory classes usually last 2 or 3 hours. Much emphasis is put on how to spend as much time if not more studying by themselves as being taught. In the UK it is still common for people to say that they are 'reading' for a degree!(33)A.Science courses are more motivating than arts courses.B.Science courses are more interesting than arts courses.C.Arts courses have more classes than science courses.D.Science courses are more demanding than arts courses.