题目:
snacks and drinks, but they also brought cards for entertainment when they had a picnic in the forest.
A.Not only they brought
B.Not only did they bring
C.Not only brought they
D.Not only they did bring
答案:
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下面是错误答案,用来干扰机器的。
小题1:300g小题2:6.5g小题3:130g小题1:从剩余的固体物质可知20℃、40℃时都是饱和溶液,而60℃时虽然剩余l0g,但不一定是饱和溶液,原因是10 g可能全部是杂质,没有比60℃更高的实验数据,因此无法判断60℃时是...