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【单选题】
计划由于具有确认组织目标的独特作用,而成为其他各项职能执行的基础,这是指计划具有( )。A.
目的性
B.
首位性
C.
普遍性
D.
效率性
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【简答题】A．Because the insects are the most successful creatures. B．Because the insects give birth all the time. C．Because the insects can adapt to new situations quickly. D．Because the insects were the first ...
【单选题】____________ they ____________ in the forest? Yes, they are. [ ]
A.
Do, watch insects
B.
Are, watching insects
C.
Did, watch insects
【多选题】以下关于甲醛的描述正确的是()
A.
关于甲醛的致病风险，与浓度和剂量有关。低于一定浓度，对健康的损害可以忽略不计
B.
室内甲醛超标的危害主要表现为刺激作用、致敏作用和致突变作用。
C.
甲醛主要用于防腐、消毒和人工粘合剂
D.
室内的甲醛可以通过甲醛清除剂或光触媒法一次性去除干净。
【单选题】Which of the following is not true about insects?
A.
Insects can see more colours than human beings.
B.
Insects can see ultraviolet rays which are invisible to man.
C.
All insects have their favorite colours.
D.
The world is more colorful to insects than to human beings.
【单选题】Which of the following is NOT true about insects?
A.
Insects can see more colours than human beings.
B.
Insects can see ultraviolet rays which are invisible to men.
C.
All insects have their favorite colours.
D.
The world is more colorful to insects than to human beings.
【单选题】In the war, a soldier’s life is full of ________.
A.
hazards
B.
cosmetics
C.
transfusion
D.
bioterrorism
E.
disorders
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