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【判断题】
现代农业的核心是科学化，特征是集约化，方向是商品化，目标是产业化。A.
正确
B.
错误
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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．
【简答题】设有ABGDEF六份文件，分别要由甲乙两人审阅签署，并且只有经过甲审阅签署后乙才能审阅签署。两人的审阅签署时间如下表： 试对六份文件安排审阅顺序，以便早日完成这项任务。计算完成此项工作的总时间。
【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】“Even without such personal experience, however, one would have to be isolated indeed to be unaware of the virtues, real and speculative, of these miracle drugs”. Which of the following is a correct p...
A.
People who are isolated don’t have the experience of using antibiotics.
B.
People need personal experience to get to know the virtues of antibiotics.
C.
Most people are aware of the virtues of antibiotics even without the experience of using antibiotics.
D.
People who are isolated indeed are aware of the virtues of antibiotics.
【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】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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