1.to heat water in a test-tube/beaker.fill__of the container with liquid.
a.one-third b.half c.three-fourth d.the whole
2.in recording the results of an experiment,we should
a.write anying as we want b.write the same as the hypothesis c.write as the textbook says d.write as what actually happened.
easy**
2007-11-09 3:42 am
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收錄日期: 2021-04-13 20:01:14
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