昆仑山脉分为西昆仑和东昆仑，西昆仑是塔里木盆地与藏北高原的天然界山。
参考答案：对
The professor gave us _____ talk on multicultural Canadian society, _____ topic few of us are familiar with.
A．a; the
B．the; a
C．a; a
D．the; the
急性心肌梗死早期多源性室早
A．随诊观察B．维拉帕米(异搏定)静脉注射C．异丙肾上腺素静脉注射D．同步直流电复律
