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【单选题】
因材施教体现了幼儿教师劳动的( )特点A.
整体性
B.
细致性
C.
创造性
D.
示范性
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【简答题】甲乙两人800米竞走，最初甲乙速度比是5：4，当甲到达中点后，甲乙两人的速度比是4：5，那么______比______先到达终点，这时后者离终点______米．
【判断题】If the slope is –40 dB/decade, the system could be either stable or unstable. Even if the system is stable, however, the phase margin is small.
A.
正确
B.
错误
【简答题】以下句子中,一共有几个定语从句? However, even thepresident Tacqueville, whopredicted 150 years ago that the United States and Russia would emerge as twogreat contending world powers could not have foreseen that the ...
【单选题】一项工程交由甲乙两人做，甲乙两人一起做需要8天，现在甲乙两人一起做，途中甲离开了3天，最后完成这项工程用了10天，问甲单独做需要多少天完成?( )
A.
10
B.
11
C.
12
D.
13
【简答题】Put the following words and phrases in the blanks; each word and phrase can only beus once. these third finally before types though however ev...
【简答题】However,
development in the world is so quick that all levels of government, designers,
and even the general public are becoming more aware of and how bad the consequences could be due to .
【简答题】打同一份稿件，甲乙两人所用的时间之比是7：6，甲乙两人的效率之比是______．
【简答题】甲乙二人环绕周长是400米的跑道跑步，如果两人从同一地点出发背向而行，那么经过2分钟两人相遇；如果两人从同一地点出发同向而行，那么经过20分钟两人相遇，已知甲的速度比乙的速度快，甲每分钟跑______米．
【简答题】甲乙两人同时从A地到B地，甲每分钟走60米，乙每分钟走50米，经过3分钟后，两人相距多了米？
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