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【单选题】
二进制数 111101 对应的十六制数是 ( ).A.
F1
B.
3D
C.
75
D.
3C
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反馈参考答案：
举一反三
【简答题】什么时候的好氧污水处理前面需设置厌氧处理?
【判断题】采样以一池、一缸、一桶为一个采样单位,搅拌均匀后采集一份样品;若采样单位容量过大,可按高度等距离分上、中、下三层,在四角和中央的不同部位每层各取等量样品,混合后再采样。
A.
正确
B.
错误
【简答题】Task 1 Read the passage and answer the following questions. 1. When and where to hold the 15th China International Environmental Protect Exhibition & Conference? 2. How many sponsor members of the 15t...
【单选题】What does the news item say about Richard Nafzger?
A.
He is assigned the task to look for the tapes.
B.
He believes that the tapes are probably lost.
C.
He works in a NASA ground receiving site.
D.
He had asked for the tapes in the 1970s.
【单选题】How should one arrange the pleasant task and the unpleasant task?
A.
He should do them at the same time.
B.
He should do them according to the time-limit.
C.
He should do the unpleasant one first.
D.
He should do the pleasant one when relaxed.
【单选题】● The purpose of a dummy activity in an activity-on-arrow diagram is to:
A.
Identify a task that could be replaced by another.
B.
Take the slack time into account.
C.
Show a task that is not necessarily needed.
D.
Denote a milestone.
E.
Show a dependency relationship.
【单选题】---We’re afraid we can't finish the task within this month. --- .
A.
Don’t be afraid
B.
That's right
C.
Take your time
D.
Not at all
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