与英国人交谈要注意哪些事情?
参考答案:
不要用“英国人”这一笼统的称呼,应分别称呼其“英格兰人”、“苏格兰人”、“威尔士人”,采用“不列颠人”也能行得通。
I found John _____ the desk, _____ his homework carefully.
A.seated at; to do
B.sitting at; doing
C.sat at; does
D.taking his seat at; to do
嗜铬细胞瘤最常见于()
A.肾上腺髓质
B.主动脉旁副节细胞
C.肾上腺皮质
D.甲状腺旁腺细胞
E.胰岛细胞