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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 first tile 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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举一反三
【判断题】商业是以货币为媒介进行交换从而实现商品流通的经济活动,主要以营利为目的( )。
A.
正确
B.
错误
【单选题】The doctor warned Pat against smoking as soon as possible and _____.
A.
so it is with Peter
B.
so did Pat
C.
Pat did so
D.
Pat does so
【单选题】血小板具有以下特点:
A.
双凹圆盘状
B.
血涂片常成簇分布
C.
来源于巨噬细胞
D.
单位血量中数量平均值男性高于女性
【单选题】休克时的实验室检查常具有以下特点,但不包括( )
A.
感染性休克常有白细胞升高
B.
失血性休克红细胞显著降低
C.
DIC 时,血小板可正常,血浆鱼精蛋白副凝聚试验(3P试验)阴性
D.
血钾、血尿素氮增高,二氧化碳结合力和血pH降低
E.
肝功能损害使谷丙转氨酶、血氨升高
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【简答题】如图1,在平面直角坐标系中,等腰直角三角形OMN的斜边ON在x轴上,顶点M的坐标为(3,3),MH为斜边上的高.抛物线C: y=- 1 4 x 2 +nx 与直线 y= 1 2 x 及过N点垂直于x轴的直线交于点D.点P(m,0)是x轴上一动点,过点P作y轴的平行线,交射线OM于点E.设以M、E、H、N为顶点的四边形的面积为S. (1)直接写出点D的坐标及n的值; (2)判断抛物线C的顶点是否在直...
【简答题】从微生物的代谢形式出发,生物处理方法主要分为 和 两大类;按照微生物的生长方式,可分为 和 两类,即 和 。
【简答题】从微生物的代谢形式出发,生化处理方法主要可分为( ) 生化 处理和( )生化处理两大类
【简答题】What is the relationship of the two people? [A] Salesperson and customer. [B] Doctor and patient. [C] Receptionist and tourist. [D] Lawyer and .
【简答题】在平面直角坐标系xOy中,O是坐标原点,等边三角形OAB的一个顶点为A(2,0),另一个顶点B在第一象限内。 (1)求经过O、A、B三点的抛物线的解析式; (2)如果一个四边形是以它的一条对角线为对称轴的轴对称图形,那么我们称这样的四边形为“筝形”。点Q在(1)的抛物线上,且以O、A、B、Q为顶点的四边形是“筝形,求点Q的坐标; (3)设△OAB的外接圆⊙M,试判断(2)中的点Q与⊙M的位置关系,...
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