皮皮学，免费搜题
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搜题
【单选题】
肺源性心脏病最常见的原因是A.
支气管哮喘
B.
肺结核病
C.
支气管扩张
D.
慢性支气管炎
E.
矽肺
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】如果要快速复制一个图形，要先用“选择工具”选择要复制的图形，然后按住（ ）键的同时，拖曳鼠标快速复制图形。
A.
Shift
B.
Insert
C.
Ctrl
D.
Home
【单选题】Was it in 1998 ____ he was still at middle school ____ this boy became expert at computer?
A.
that; where
B.
when; where
C.
in which; in which
D.
when; that
【简答题】A. It has over 500 employees. B. It was started in 1998. C. It has several branches. D. It is located in Beijing.
【单选题】如果要快速复制一个图形,要先用“选择工具”选择要复制的图形,然后按住( )键的同时,拖曳鼠标快速复制图形。
A.
Insert
B.
Shift
C.
Home
D.
Ctrl
【多选题】如果要快速复制一个图形,要先用“选择工具”选择要复制的图形,然后按住( )键的同时,拖曳鼠标快速复制图形。
A.
home
B.
ctrl
C.
shift
D.
alt
【单选题】如果要快速复制一个图形,要先用“选择工具”选择要复制的图形,然后按住( )键的同时,拖曳鼠标快速复制图形。
A.
Insert
B.
Home
C.
Shift
D.
Ctrl
【单选题】A.It has over 500 employees. B.It was started in 1998. C.It has several branches. D.It is located in Beijing.
A.
It has over 500 employees.
B.
It was started in 1998.
C.
It has several branches.
D.
It is located in Beijing.
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