Stomatocyte is an abnormal red blood cell which exhibits a slit or an oval-shaped area of pallor often due to edema. A、nose B、mouth C、 sinus D、tongue
Why are some patients reluctant to take antidepressants? A、They are afraid of getting addicted. B、They may be dissuaded by side effects of medications. C、They are likely to mislabel pretreatment symptoms as drug-related. D、All of the above.
After lamellarkeratoplasty or conjunctival flap covering, the melting could recur to cause loss of vision. A、eye B、pupil C、 cornea D、 retina
The selection of a gene delivery system depends on _________. A、the duration of gene expression required for therapeutic effect B、the target cell C、the size of the piece of DNA to be used in the gene therapy D、the membrane that surrounds cells
If the extraclasts form the predominant components, the sediment is a “calclithite” and is a type of terrigenous rock. A、beside B、 behind C、before D、belong
Acute appendicitis usually develops without relation to the ingestion of food. A、enlargement B、swollen C、 dropping D、 inflammation
Most people obtain an adequate amount of vitamin D through exposure of the skin to the sunlight, so there is no need for estimated requirements for vitamin D. A、正确 B、错误
Chondroma of soft parts also affects the hands, but it is usually well circumscribed and has more well developed chondroid differentiation. A、bile B、cartilage C、tendon D、tissue
下面说法错误的是()。 A、 在索引表中由最大关键字查出所在的块以后,可以用二分查找算法在该块中继续查找 B、分块查找算法适用于顺序存储结构和线性链表 C、分块查找算法的优点是在表中插入或删除一个记录时,只要找到该记录所属块,就在该块中进行插入或删除运算,无需大量移动记录 D、分块查找算法是线性查找算法的一种改进算法
爱因斯坦曾出过这样一道数学题:有一条长阶梯,若每步跨2阶,最后剩下1阶;若每步跨3阶,最后剩下2阶;若每步跨5阶,最后剩下4阶;若每步跨6阶,则最后剩下5阶;只有每步跨7阶,最后才正好1阶不剩。这个问题适合采用( )法求解。 A、穷举 B、分治 C、递推 D、归并