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【简答题】
如图，已知直线AB与CD相交于点O，OE⊥CD，OF平分∠BOE，若∠AOC=∠EOF， （1）求∠AOC的度数； （2）写出∠EOF的余角和补角．
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【单选题】Lisa grows coconuts and catches fish. Last year she harvested 1500 coconuts and 600 fish. She values one fish as having a worth of three coconuts. She gave Rachel 300 coconuts and 100 fish for helping...
A.
700 fish.
B.
900 fish.
C.
1100 fish.
D.
2700 fish.
【简答题】Today a neighbor brought us some fresh fish he had caught on his last boat trip. As we thanked him, he said, 'They are not from me; they only come through me.' At that moment I noticed the similarity ...
【简答题】两个四分音符,等于_个八分音符
【单选题】若 a1 、 a2 、 a3 、 a4 均为整型变量,则以下选项中,符合 C++ 语法规则的表达式是( )。
A.
a4=0Xa2
B.
a2=a1+a3=3*5
C.
a3=078
D.
a1=66%3.0
【单选题】Fish farming in the desert may at first sound like an anomaly, but in Israel over the last decade a scientific hunch has turned into a bustling business. Scientists here say they realized they were no...
A.
fresh water can be drilled from underground desert aquifers
B.
the water drilled from the underground desert aquifers is only one-tenth as salty as sea water
C.
the water drilled from the underground desert aquifers contains more nutritious elements than fresh water
D.
the water drilled from the underground desert aquifers is not as hot as the sea water
【简答题】在建工程达到预定可使用状态前试运转所发生的净支出，应当计入营业外支出。（）
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