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【简答题】
有糖水若干，加入一定量的水后，含糖率降低到3%，第二次又加入同样多的水后，含糖率降低到2%，第三次再加入同样多的水，这时糖水的含糖率是______%．
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Part ADirections: Read the following four texts．Answer the questions below each text by choosing A, B, C or D．(40 points)The long year of food shortage in this country have suddenly given way to appar...
A.
The abundant food supply is not expected to last
B.
Britain is importing less food
C.
Despite the abundance, food prices keep rising
D.
Britain will cut back on its production of food