题目内容：
根据下面内容，回答题 Business Meetings
It is important that ideas anD．suggestions tableD．at formal meetings are voiceD．at the (0)..D..．time．This is achieveD．by keeping to the (19).....． shown on the agenda．For example, there is no (20).....． in discussing ideas to do with Item Six on the agendA．when Item Two has not yet been (21).....． Such deviations from the agendA．may (22)......． in confusion among the people at the meeting; they may also (23).....． concentration if they see something as irrelevant.
To make certain that the meeting proceeds in an orderly fashion, it is therefore useful to(24) .....．some grounD．rules．First, everyone will neeD．to understanD．that they must(25) .....．their comments to the topiC．under discussion．The Chair can then encourage one person to speak at A．(26) .....．so that any ideas offereD．can be discusseD．anD．(27)Once that person has finished, someone else can put (28)....． their ideas anD．so on．If this procedure is adopted, the participants will be able to follow the various issues in A．consistent manner, which will help with the decision-making (29)....． later on．It will also (30).....that the quiet people at meetings get A．chance to (31)....． their say, rather than just their more outspoken colleagues．In (32).....． it is often the quiet people at meetings who generate the best ideas, because they are in the (33).....． of thinking before they speak.
（19）应选 A．structure
B．direction
C．order
D．arrangemer
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答案解析：