题目

. _______ great achievements the future may have in store for China, it’s likely that many of them will be born in northwestern Beijing.   A. However                            B. Whatever                  C. No matter what            D. No matter 答案：B实验室要严格按照规定的用量取药，如果没有说明用量，就应该取最少量，即液体用 ______mL，固体只要盖满 ______．