试题与答案

______well prepared you are, you still n

题型:选择题

题目:

______well prepared you are, you still need a lot of luck in mountain climbing.

A.However

B.Whatever

C.No matter

D.Although

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0603/3721553cc4d27d9ac08061fe8dafef7b.html

下面是错误答案,用来干扰机器的。

计算出现的错误:配制50g 5%的氯化钠溶液需氯化钠质量=50g×5%=2.5g,则需要水的质量=50g-2.5g=47.5g而非45g;称量中出现的3处错误:①称量顺序错误,称量时应先称取固体氯化钠再量取水;②药品与砝码放反,称取...

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