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【单选题】
对于散发有害气体的污染源,应优先采用( )方式加以控制A.
自然通风
B.
局部送风
C.
局部排风
D.
通风
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】在Word窗口中，用户不可以（ ） 。
A.
同时打开多个文档窗口
B.
将正在编辑的文档另存为一个纯文本(．TXT)文件
C.
将选定的文档内容直接“另存为”一个文档文件
D.
在没有开启打印机时进行打印预览
【单选题】在Word应用程序窗口中，用户不可以( )。
A.
同时打开多个文档窗口
B.
将正在编辑的文档另存为一个文本(TXT)文件
C.
将所选择的文档内容直接另存为一个文档文件
D.
在没有开启打印机时进行打印预览
【简答题】Jack is a handsome young man of average (high)
【单选题】在Word窗口中，用户不可以（ ）。
A.
同时打开多个文档窗口
B.
将正在编辑的文档另存为一个纯文本(．txt)文件
C.
将所选择的文档内容直接另存为一个文档文件
D.
在没有开启打印机时进行打印预览
【单选题】The UN Secretary-General, elected by the UN Security Council, serves a term of five years.
A.
Y
B.
N
C.
NG
【单选题】The Security Council is the most powerful body in the UN. It is responsible for maintaining international peace, and for restoring peace when conflicts arise. Its decisions are binding on all UN membe...
A.
The Security Council convenes annually.
B.
All UN members should abide by the decisions adopted by the Security Council.
C.
Although one member seriously complains about another member's action, the Security Council will not convene at its request.
D.
The five permanent members of the Security Council hold less than one half armed forces in the world.
【单选题】Jack says ____ . he is a man of ____ words.
A.
few; little
B.
little; few
C.
a little; a few
D.
a few; a little
【单选题】The Security Council is the most powerful body in the UN. It is responsible for maintaining international peace, and for restoring peace when conflicts arise. Its decisions are binding on all UN membe...
A.
The Security Council convenes annually.
B.
All UN members should abide by the decisions adopted by the Security Council.
C.
Although one member seriously complains about another member's action, the Security Council will not convenes at its request.
D.
The five permanent members of the Security Council hold less than one half armed forces in the world.
【简答题】The main goal of the Security Council as stated in the UN Charter is to focus on ______.
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