下图表示激素作为信号分子对靶细胞作用过程,请据图分析叙述不正确的是()
A. 该过程体现了细胞膜具有信息交流的功能
B. 若A、B、C分别是胰岛素、葡萄糖、多糖,则该细胞一定是肝细胞
C. 若该细胞是垂体细胞,则A可以是促甲状腺激素释放激素
D. 若人体免疫反应过度造成D损伤而引起信息传递中断,人会患自身免疫病
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Theforwardmovementofashipinonerevolutionofitspropellerismeasuredby().
A. advance
B. headreach
C. pitch
D. transfer
Themainreasonalongtowlineisusedduringanoceantowisthat().
A. amarginofsafetyisprovidedshouldthelinepart
B. thetowlinewillwearmoreevenly
C. therewillbelessstressonthetowline
D. aslightincreaseinspeedwillberealized
某企业期末现金为320万元,期末流动负债为480万元,期末流动资产为640万元,则该企业现金比率为()。
A. 50%
B. 66.67%
C. 133.33%
D. 200%
Thepitchofapropellerisameasureofthe().
A. anglethatthepropellermakeswithafreestreamofwater
B. anglethatthepropellermakeswiththesurfaceofthewater
C. numberoffeetperrevolutionthepropellerisdesignedtoadvanceinstillwaterwithoutslip
D. positivepressureresultingfromthedifferenceoftheforcesonbothsidesofthemovingpropellerinstillwaterwithoutslip