关于腭扁桃体的描述正确的是()
A.位于扁桃体上窝内
B.位于腭舌弓与腭咽弓之间
C.在舌根部的黏膜内
D.在鼻咽部的外侧壁内
E.青春期发育快
参考答案:B
—I stayed at a hotel while in New York.
—Oh, did you? You ________ with Barbara.
A.could have stayed
B.could stay
C.would stay
D.must have stayed
以现代市场营销观点来看,市场竞争的实质是企业之间的()
A.产品竞争
B.价格竞争
C.争夺消费者和用户的竞争
D.产品质量的竞争