皮皮学，免费搜题
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【单选题】
下列哪种元素在体内主要参与甲状腺素的合成:A.
碘
B.
氟
C.
铜
D.
锌
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】— Do you know _____? — She is answering the telephone. [ ]
A.
what is Lucy doing
B.
what Lucy is doing
C.
what does Lucy do
【单选题】在计算机辅助管理发展的各阶段中，事务处理阶段的主要目的之一是( )。
A.
提高管理信息处理的系统性、综合性
B.
为工作人员创造良好的工作环境
C.
提高了管理信息处理的准确性和及时性
D.
提高了事务处理的工作效率
【单选题】Kate could hum songs and difficult _______ . [ ]
A.
piece of musics
B.
pieces of musics
C.
piece of music
D.
pieces of music
【简答题】处理机管理的目的是为了提高______的利用率
【单选题】We had to _________ the engine piece by piece for transport.
A.
take up
B.
take out
C.
take off
D.
take apart
【单选题】The piece of music ______The piece of music ______really beautiful. [ ]
A.
looks
B.
hears
C.
sounds
D.
listens
【简答题】联系上下文，补全对话。 Lucy: ___________ ___________ a birthday in June? Sarah: Me. Lucy: What's the ___________? Sarah: It's June 1st. Lucy: Oh, It's ___________ Day. Sarah: ___________ is your birthday? Lucy: ...
【单选题】What is the bad news?
A.
Lucy is sick.
B.
Lucy spends too much time playing football.
C.
Lucy didn't pass the exam.
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