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【单选题】
在对饲料进行水分测定时，哪种做法是错误的( )A.
取风干样用植物样品粉碎机粉碎，过40目试验筛，注意过筛时一定要将全部样品过筛并混合均匀。
B.
进行饲料样品称量时，要戴细纱手套或脱脂薄纱手套，禁止用手直接接触以免造成偶然误差。
C.
在烘箱中干燥样品时，称样皿的盖子应该盖紧，不能敞开以免杂质进入。
D.
烘箱中温度分布往往不均匀，所以需要预先在恒温箱内摆同样的样品，观察测定值的变化幅度，找出可以使用的位置。
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举一反三
【单选题】People were surprised to find that he had the ability to ______ everything he was involved in.
A.
precede
B.
dominate
C.
effect
D.
instruct
【简答题】People were surprised to find that he had the ability to ________ everything he was involved in. A) precede B) dominate C) effect D) instruct
【单选题】People were surprised to find that he had the ability to ______everything he was involved in.
A.
precede
B.
dominate
C.
pervade
D.
denominate
【单选题】《建筑模数统一协调标准》中规定建筑中采用的导出模数分为( )和( )。
A.
分模数、基本模数
B.
扩大模数、分模数
C.
基本模数、扩大模数
D.
水平模数、竖向模数
【简答题】在实际生产中,常常利用连杆机构的 特性来 缩 短回程 时间,从而提高 生产率 。
【单选题】People were surprised to find that he had the ability to ______ everything he was involved in.
A.
dominate
B.
dictate
C.
degenerate
D.
effect
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