合金钢中的主要合金元素都起什么作用？

________ from space, the earth , with water_______ seventy percent of the surface , looks like a blue ball.

A．Seen ; covered

B．Seen ; covering

C．seeing ; covering

D．Seeing ; covering

成人正常的颅内压为（）。

A.40～80mmHg

B.50～100mmHg

C.60～150mmHg

D.70～200mmHg

E.100～150mmHg

– Has the professor’s talk got____ to do with your present research?

– Yes, it has____ to do with my research.

A．nothing; a lot of

B．something; nothing

C．anything; a lot

D．anything; little

76岁，女性，子宫脱垂Ⅲ度伴 * * 前后壁膨出，伴高血压、冠心病、糖尿病。最佳的治疗方案是（）

A.补中益气汤

B.盆底肌肉锻炼和物理治疗

C.曼市手术

D. * * 封闭术

E.子宫悬吊术

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