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【单选题】
The relational database model requires the data be(110)through programs that don't rely on the position of the data in the database. This is in direct(111)to the other database mode, where the program has to follow a series of pointers to the data it seeks. A program(112)a relational database simply asks for the data it seeks; the DBMS performs the necessary searches and(113)the information. The(114)on how the search is done are specific to the DBMS and vary from product to product.A.
accessed
B.
moved
C.
read
D.
wrote
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【单选题】患者寒战、高热，伴蓝绿色脓痰，诊断为肺炎，X线片显示弥漫支气管炎，可能感染的病菌是（）
A.
肺炎链球菌
B.
金黄色葡萄球菌
C.
铜绿假单胞菌
D.
肺炎克雷伯杆菌
E.
大肠埃希菌
【简答题】猪肉馅为 25% ,芹菜为 75% 的饺子
【单选题】Those who receive your invitation only two or three days before the actual wedding day have good reason to feel that they are not highly ______.
A.
expected
B.
regarded
C.
Worshipped
D.
admired
【简答题】常用V形块两工作斜面间的夹角一般分为 、 、 三种,其中 角的V形块应用最多,其结构及规格尺寸均已标准化。
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