乙基香兰素不溶于乙醇、丙二醇和许多天然或合成香料。
参考答案:错
选择钻削用量的基本原则是什么?
Questions 21~25
In the writer’s opinion, the proposed venture will be different from previous ones in that ______.
A. fewer British business leaders will be making the tripB. small and specialized companies will be better representedC. larger companies have decided they will not be participatingD. it involves research into how British companies market themselves