多项选择题药用植物芦荟具有 A、肉质茎 B、肉质叶 C、木质茎 D、草质茎 E、草质藤本 F、木质藤本 G、 攀缘茎 H、缠绕茎
单项选择题29. Online retailers could track not only what customers bought,__________what else they looked at. A. A) so that B. B) and thus C. C)rather than D. D) but also
