下面有关三国时期蜀国的说法,不正确的是[ ]
A.221年,刘备在成都称帝,历史上称蜀
B.曾六出祁山,北伐曹魏
C.对少数民族采取安抚政策
D.造船业发达,促进了交通的发展
答案:D
Mariners must ascertain that deck loads are stowed in such a manner as().
A.to affect the vessel's stability
B.not to affect the vessel's stability
C.to keep the vessel on even keel
D.not to keep the vessel on even keel
对于腮腺区肿物,哪种检查是不恰当的
A.细针吸取细胞学检查B.CTC.涎腺造影D.B超E.组织活检术