我国境内已知的最早人类是（ ）
A．北京人
B．元谋人
C．山顶洞人
D．大汶口原始居民
答案：B
本题考查的是元谋人。元谋人是我国境内已知的最早人类，故选B。
Which of the following is true according to the speaker
A．Joe bought this for her.
B．Joe did not have money for shirts and ties.
C．Joe had money for shirts, ties and her.
D．Joe bought a shirt and a tie.
经保守治疗，病人中心静脉压20cmH20，血压60/40mmHg，尿量30ml/L，考虑原因为
A．心功能衰竭B．肾功能衰竭C．补充晶体液不足D．补充胶体液不足E．止血效果不好
