未来具有较好开发利用前景的能源品种,在一次能源方面主要包括()。
A.可燃冰
B.海洋能
C.核聚变能
D.氢能
参考答案:A, B, C
对该患者的处理最恰当的是
A.绝对卧床休息
B.立即行二尖瓣分离术
C.洋地黄
D.利尿药
E.随诊和预防治疗
He__ at the last party. He felt sorry for it.
A. makes some mistakes B make a mistake
C. made few mistakes D. made many mistakes