正确的大战略要求坚决将最重要、最优先的利益当作关注中心和努力焦点。()
查看答案
[音频]5. A) The discovery of a new species of snake. C) The finding of 2 new species of frog.B) The second trip to a small remote island. D) The latest test on a rare animal species.6. A) A poisonous snake attacked him on his field trip.B) He discovered a rare frog on a deserted island.C) A snake crawled onto his head in his sleep.D) He fell from a tall palm tree by accident.
党参善补()之气。
A. 心
B. 肝
C. 脾
D. 肺
E. 肾
党参主治()
A. 脾气不足
B. 血虚萎黄
C. 痰饮水肿
D. 肺气亏虚
E. 气津两伤口渴
孔 、轴的基本尺寸和使用要求为:D=30,Xmax=+0.065,Xmin=+0.02。试计算孔轴配合公差。解:配合公差Tf= (1) - (2)=(3)mm。