11.2%的克分子乳酸钠1ml相当于补碱量()。
A.3ml
B.2ml
C.2.5ml
D.1.5ml
E.1ml
参考答案:E
Do you consider it any good _____ again?
A.to try
B.try
C.trying
D.for you to try
在读数时,一个数的中间不管连续出现几个0,都只读一个0.______.(判断对错)