Vitamin D deficient rickets and genetic Vitamin D resistant rickets<br/>diagnose by ( ) A: epiphyseal changes in X ray B: increased serum alkaline phosphatase C: hypocalcaemia. Hypophosphatemia D: healing appears with treatment of vitamin D 600,000 IU

A breast-fed infant begins to vomit frequently and loses weight. Several days later she is jaundiced, her liver is enlarged, and cataracts are noticed in her lenses. These symptoms are most likely caused by a deficiency of: A: galacose 1-P uridyltransferase B: lactase C: glucose 6-phosphatase D: galactokinase E: lactate dehydrogenase

The<br/>clinical feature of the sequelae stage of vitamin D deficiency<br/>rickets is () A: Skeleton<br/>deformity B: Abnormal<br/>epiphyseal of long bone C: Serum<br/>calcium and phosphorus decrease D: Alkaline<br/>phosphatase decrease E: Irritability,<br/>hidrosis

The following genes ____________________ for carbohydrate metabolism are housekeeping genes in humans. A: lactate dehydrogenase (LDHA),GDP-L-fucose synthetase (TSTA3), & fructose-bisphosphate aldolase (aldolase A, ALDA) B: enolase phosphatase (ENOPH1) & triose-phosphate isomerase (TPI) C: phosphoglycerate kinase (PGK1) & glycogen synthase kinase-3 (GSK3A/B) D: transaldolase in pentose shunt (TALDO1) & phosphoglycerate mutase (PGM)

鼠疫、霍乱、黄热病的潜伏期分别为()天。 A: 6、6、5 B: 5、6、6 C: 6、5、6 D: 6、6、6

【单选题】根据数字规律填一填 6 7 6 6 7 6 6 7 6 6 ___ A. 6 B. 7 C. 8

以下哪种方式可在Excel中输入数值-6 _______。: -6/#/6/#/\6/#/“6

钢丝绳按其结构组成有6 19、6 24、()三种。 A: 6 B: 6 C: 6 D: 6

设FIR数字滤波器的系统函数为[img=281x24]180364e20de59b6.png[/img]求其单位脉冲响应h(n)= ；并判断该数字滤波器是否具有线性相位特性 。（） A: {1/6, 0.9/6, 2.2/6, 0.9/6, 1/6} ；非线性相位特性 B: {0, 0.9/6, 2.2/6, 0.9/6, 1/6} ；严格线性相位特性 C: {1/6, 1/6, 2.2/6, 0.9/6, 1/6} ；非线性相位特性 D: {1/6, 0.9/6, 2.2/6, 0.9/6, 1/6} ；严格线性相位特性

有如下语句:int a=5; int b=6; int &c=a; c=b; 执行后（a、b、c）的值分别是（） A: （5、6、5） B: （5、6、6） C: （6、6、5） D: （6、6、6）