大肠杆菌DNA分子经过连续两代的半保留复制,第2代中来自亲代的DNA含量与总DNA含量的比值是A.1/2 B.1/4 C.1/8 D.1/16
经过烤制成熟的品种,其熟品一般损失重量占生坯的( )左右。A.1%~4%B.4%~24%C.2%4%D.1%~2%
( ),-1/4,-3/8,-5/16A.-1 B.-1/2 C.1/2 D.1
简支梁在跨中集中荷载作用下跨中弯矩是多少( )A.1/4PL B.1/2PL C.1/4PL2 D.1/2PL2
可行性研究费一般占项目总投资的( )。A.1%~2%B.2%~4%C.1%~3%D.1%~4%
高危妊娠孕28~36周A.1次/l周B.1次/l~2周C.1次/3周D.1次/4周 高危妊娠孕28~36周A.1次/l周B.1次/l~2周C.1次/3周D.1次/4周E.1次/6周
:2006年,某市8种上市股票中,个人股占( )。A.1/4弱B.1/4强C.1/2弱D.1/2强
1:1液为A.1/2张B.2/3张C.1/3张D.1/4张E.等张
1:2液为A.1/2张B.2/3张C.1/3张D.1/4.张E.等张
1:l液为A.1/2张B.2/3张C.1/3张D.1/4张E.等张
2/3,1/4,2/5,(),2/7,1/16,A.1/5;B.1/17;c.1/22;d.1/9
有以下程序:程序运行后的输出结果是( )。A.1,2,6,24,120,B.1,2,3,4,5,C.1,1,1,1,1,D.1,2,4,6,8,
以下程序的输出结果是( )。 A.1,2,3,4,5,6,7,8,9,10,B.1,2,3,4,10,12,14,16,9,10,SX 以下程序的输出结果是( )。A.1,2,3,4,5,6,7,8,9,10,B.1,2,3,4,10,12,14,16,9,10,C.1,2,6,8,10,12,7,8,9,10,D.1,2,6,8,10,12,14,16,9,10,
该年我国乡镇企业总产值占农村社会总产值的多少?( )A.1/2弱B.1/2强C.1/4弱D.1/4强
2,4,3,7,16,107,( ) A.1 594 B.1 684 C.1 707 D.1 856
位图的最小单位是() A.1/2个像素B.1个像素C.1/4个像素D.1/8个像素
在对Woodward PGA调速器稳定性调节中其补偿针阀的推荐开度是______。A.1/8~1/4圈B.1/4~1/2圈C.1/2~3/4圈D.1/16~2圈
1÷2x3x4÷6÷4x5x8÷10÷6x7x12÷14÷9=( )。A.1/7 B.1/6 C.1/9 D.1/10
1/2+(1/2)2+(1/2)3+(1/2)4的值是( )。 A.1/16 B.7/8 C.15/16 D.1
新生儿破伤风的潜伏期为A.1~2天B.4~8天C.2周~1月D.1~2月E.2~3月
4:3:2液为A.1/2张B.2/3张C.1/3张D.1/5张E.等张
急性肾盂肾炎病人经治疗症状消失、尿检查阴性后,仍需继续服药A.1~3天B.4~5天C.1~2周D.3~4周E.5~8周
1:2液为A.1/2张B.2/3张C.1/3张D.1/4张E.等张
氟牙症色素位置较浅,轻中度着色病变在釉质外层的A.1/2~2/3处B.1/3~1/2处C.1/4~3/4处D.1/4~1/3处E.2/3~3/4处
Gesell发育量表适用年龄范围为A.1周~2岁B.4周~3岁C.2周~4岁D.1周~4岁E.6周~2岁
"一角"荷叶指荷叶的A.1张B.1/2张C.1/4张D.1/8张E.1/10张
复层鳞状上皮中层细胞的核质比为A.1:(4~5)B.1:(3~4)C.1:(2~3)D.1:(1~2)E.1:(0.5~1)