【简答题】The baby seems to have developed a cold.
【单选题】It seems that the young woman and the baby have something__________.
【单选题】若配制浓度为 20 μ g/mL 的铁工作液,应 () 。
A.
准确移取 200μg/mL 的 Fe 3 + 贮备液 10mL 于 100mL 容量瓶中,用纯水稀至刻度
B.
准确移取 100μg/mL 的 Fe 3 + 贮备液 10mL 于 100mL 容量瓶中,用纯水稀至刻度
C.
准确移取 200μg/mL 的 Fe 3 + 贮备液 20mL 于 100mL 容量瓶中,用纯水稀至刻度
D.
准确移取 200μg/mL 的 Fe3 + 贮备液 5mL 于 100mL 容量瓶中,用纯水稀至刻度
【简答题】The baby seems to have developed a cold.
【简答题】国家行政公务文书按用途划分为()种,这是《公文处理办法》规定的公文种类,简称()。
【单选题】被称为“轻骑兵”的公务文书是______
【单选题】The baby seems content he must have ______ his new nursemaid.
【单选题】若配制浓度为40μg/mL的铁工作液,应 ( )
A.
A .准确移取200μg/mL的Fe3+贮备液10mL于100mL容量瓶中,用纯水稀至刻度
B.
准确移取100μg/mL的Fe3+贮备液10mL于100mL容量瓶中,用纯水稀至刻度
C.
准确移取200μg/mL的Fe3+贮备液20mL于100mL容量瓶中,用纯水稀至刻度
D.
准确移取200μg/mL的Fe3+贮备液5mL于100mL容量瓶中,用纯水稀至刻度
【单选题】It seems the baby elephant cannot walk any longer because __________
B.
it hasn't drunk any milk
C.
it has walked a long way
D.
it has been abandoned by the herd