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【单选题】
听力原文: The Titanic, With 2,300 passengers aboard, was on its first voyage from Southampton to New York. It was 11:40 p.m. on April 14th 1912 and the sea was calm. Suddenly the look-out man saw the enormous iceberg. 'Ice berg ahead!' he shouted. Immediately the ship turned, but not soon enough. The iceberg tore a 300-foot hole in the hull and water began to pour in, At fig,st the captain didn't worry because the ship was said to be' unsinkable'. Then the ship began to lean, At 12:05 the captain gave the order 'Uncover the lifeboats'! The Wireless operator sent out an SOS signal. Six ships began to race towards the Titanic. But the two ships who were closest did not hear the desperate calls for help. At two a.m. the captain gave the order 'Abandon ship !' A few minutes later the Titanic began to slip beneath the surface. One by one the last passengers jumped into the sea. Then the stem rose up in the air and the Titanic sank quickly out of sight. At dawn the next morning a rescue boat picked up 705 survivors, from the lifeboats. Most of them were first and second-class passengers. All their children survived. Of the children who traveled third class, only a third survived. Where was the destination of Titanic?
A.
London.
B.
Washington.
C.
Southampton.
D.
New York.
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【单选题】集合 的另一种表示形式是( )
A.
{0,1,2,3,4}
B.
{1,2,3,4}
C.
{0,1,2,3,4,5}
D.
{1,2,3,4,5}
【单选题】葡萄压榨的工艺要求是
A.
压榨要有适当的压力
B.
压榨率高
C.
操作简单,压榨均匀
D.
提取的压榨汁迅速转入发酵设备中,缩短同空气接触的时间
E.
以上均正确
【判断题】长整型数据在内存中占两个字节。
A.
正确
B.
错误
【判断题】艺术美中表达自己理想与人格,比文字的雕琢更为重要
A.
正确
B.
错误
【单选题】下列4种电子构型的原子中第一电离能最低的是
A.
n s 2 n p 3
B.
n s 2 n p 4
C.
n s 2 n p 5
D.
n s 2 n p 6
【单选题】红旗轿车是采用气动门锁的,下列哪个说法是错误的( )。
A.
设有两个气泵,一个是压力泵,一个是真空泵
B.
每个车门设有一个执行元件(膜盒),用来控制连接杆上下运动
C.
两个前门锁开关给中央门锁控制单元信号
D.
由中央控制单元控制气泵
【单选题】下列 4 种电子构型原子中第一电离能最低的是:
A.
n s 2 n p 3
B.
n s 2 n p 4
C.
n s 2 n p 5
D.
n s 2 n p 6
【简答题】整型数据在内存中占( )个字节
【单选题】下列 4 种电子构型的原子中第一电离能最低的是
A.
n s 2 n p 6
B.
n s 2 n p 5
C.
n s 2 n p 4
D.
n s 2 n p 3
【单选题】测量病毒的大小单位是?
A.
mm
B.
cm
C.
μm
D.
nm
E.
dm
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