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【单选题】
Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D. 听力原文: [26] Americans who remember 'the good old days' are not alone in complaining about the educational System in this country. Immigrants complain, too. Lately a German friend was filled with anger when he learned that the first mathematics test given to his son as a college freshman included multiplication and division. Japanese businessmen in Los Angeles send their children to private schools staffed by teachers imported from Japan who teach mathematics at more advanced level. [27] But I wonder: If American education is so poor, why is it that this is still the country of innovation? When I was 12 in Indonesia, I had to memorize the name of all the world's major cities. At the same age, my son, who was brought up a Californian, thought that Buenos Aires was Spanish for good food. However, unlike children of his age in Asia and Europe, my son had studied creative geography. When he was only 6, he drew a map of the route that he traveled to get to school, including the streets, the traffic signs and the houses that he passed. Dissatisfied American parents forget that in this country their children are able to experiment freely with ideas without this they will not be able to think or to believe in themselves. Critics of American education cannot grasp one thing: freedom. [28] America, I think, is the only country that extends even to children the license to freely speak, write and be creative. Our public education is not perfect, but it is better than any other. (27)
A.
The Japanese mathematic teachers.
B.
Both the speaker and his German friend.
C.
Both Americans and immigrants.
D.
The son of the speaker's German friend.
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【简答题】有一个阅览室,共有 100 个座位,用一张表来管理它,记录座位号和读者姓名。读者进入时要现在表上登记,退出时要注销登记。试用信号量和 PV 操作来描述各个读者“进入”和“注销”工作之间存在的同步和互斥关系。
【简答题】当局部变量的名字和类的成员变量的名字相同时,类的成员变量将被隐藏。为了在方法中使用成员变量,并且与局部变量加以区分,必须使用______。
【简答题】今天几月几日? What’s the ____ today?
【简答题】有一个阅览室,共有100个座位,读者进入时必须先在一张登记表上登记,该表为每一座位列一表目,包括座号和读者姓名等,读者离开时要消掉登记的信息,试问:  (1)为描述读者的动作,应编写几个程序,设置几个进程?  (2)试用PV操作描述读者进程之间的同步关系。
【多选题】下列属于固氮反应要素的有
A.
严格的厌氧环境
B.
氮气
C.
镁离子
D.
【单选题】发热时高温持续期热代谢特点为()
A.
产热<散热
B.
产热>散热
C.
产热障碍
D.
散热障碍
E.
产热和散热在高水平上保持平衡
【单选题】发热时高温持续期热代谢特点为
A.
散热>产热
B.
产热>散热
C.
产热=散热
D.
产热障碍
E.
散热障碍
【单选题】下列不属于生物固氮反应要素的是()
A.
严格的厌氧环境
B.
N2
C.
NH4+
D.
镁离子
【单选题】发热时高温持续期热代谢特点为( )A.产热散热C.产热障碍D.散热障碍E.产热和
A.
发热时高温持续期热代谢特点为( ) A.产热
B.
产热>散热
C.
产热障碍
D.
散热障碍
E.
产热和散热在高水平上保持平衡
【单选题】高热持续期热代谢特点
A.
散热减少,产热增加,体温升高
B.
产热减少,散热增加,体温升高
C.
散热减少,产热增加,体温保持高上平
D.
产热与散热在高水平上相对平衡,体温保持高水平
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