Their experiments show that the ______ strain of wheat grows more quickly and is resistant to disease.
A. newly planted
B. newly cultivated
C. hybrid
D. imported
查看答案
正常成人,安静状态下的脉率是
A. 60~80次/分
B. 60~90次/分
C. 70~100次/分
D. 60~100次/分
E. 80~100次/分
洋地黄毒苷片的含量测定法
A. 柱色谱分离后比色法
B. 比色法
C. 荧光分析法
D. 高效液相色谱法
E. 纸色谱法
乳糖中的特殊杂质
A. 5-羟甲基糠醛
B. 蛋白质
C. 淀粉
D. 糊精
E. 吗啡
He wants to ride __________ machine like __________ bike and fly it like __________ plane.
A. a... the.., a
B. the..,a... a
C. the.., the.., the