【单选题】Excessive use of antibiotics is the chief cause of deafness and ______ muteness in children.
【单选题】在用比例调节器组成的温度控制系统中,量程为0~100°C,在测试中当温度为80°C时,调节器输出为0.04MPa,在60°C时,调节器输出为0.06MPa。此调节器为()调节器,其比例带PB为()。
【单选题】在用比例调节器组成的温度控制系统中,其量程为0~100°C,在测试中当温度为80°C时,调节器输出为0.04MPa,在60°C时,调节器输出为0.06MPa,此调节器为调节器,其比例带PB为 。
【单选题】It is obvious from Paragraph 4 that the chief cause leading to the disaster is ______.
A.
the leakage of the O rings
【单选题】According to Peter H. Gleick, what is the chief cause of water shortage?
A.
The diversion of the rivers.
B.
The change of the climate.
C.
The environmental pollution.
D.
The growth of population.
【单选题】( )是指为本企业提供商品物资的企业的一系列价值活动
【单选题】Medicine is considered the chief cause for ______.
C.
reducing the number of death
D.
helping people to live longer
【简答题】The chief and immediate cause of the war was ____.
【判断题】新媒体传播内容也正在突破传统文字的单一局限,包括文字、数字、图表、音频、视频等等。
【单选题】在用比例调节器组成的温度控制系统中,量程为0~100℃,在测试中当温度为80℃时,调节器输出为0.04MPa,在60℃时,调节器输出为0.06MPa此调节器为()调节器,其比例带PB为()。