盐基饱和度

题型:名词解释

问题:

盐基饱和度

考点:土壤学土壤学题库
题型:名词解释

维持人体生命活动所需的热量,主要由哪种能量直接转化而来[ ]

A.太阳能

B.化学能

C.动能

D.电能

题型:名词解释

造影剂在超声作用下产生振动,以下对振动频率描述不正确的是()

A.振动的频率是线性的

B.振动的频率是非线性的

C.与超声波的频率有关

D.与超声波的波长有关

E.与超声波的频率保持谐振关系

题型:名词解释

诊断颅底骨折最主要的依据是()

A.颅底CT检查

B.神经系统定位征

C.脑神经损伤

D.脑脊液耳漏、鼻漏

E.颜面部淤血、肿胀

题型:名词解释

I will never forget the year I was about twelve years old. My mother told us that we would not be (16) Christmas gifts because there was not enough money. I felt sad and thought, "What would I say when the other kids asked what I’ d (17) " Just when I started to (18) that there would not be a Christmas that year, three women (19) at our house with gifts for all of us. For me they brought a doll. I felt such a sense of (20) that I would no longer have to be embarrassed when I returned to school. I wasn’t (21) . Somebody had thought (22) of me to bring me a gift.

Years later, when I stood in the kitchen of my new house, thinking how I wanted to make my (23) Christmas there special and memorable, I (24) remembered the women’s visit. I decided that I wanted to create that same feeling of (25) for as many children as I could possibly reach.

So I (26) a plan and gathered forty people from my company to help. We gathered about 125 orphans (孤儿) at the Christmas party. For every child, we wrapped colorful packages filled with

toys, clothes, and school supplies, (27) with a child’ s name. We wanted all of them to know they were (28) Before I called out their names and handed them their gifts, I (29) them that they couldn’t open their presents (30) every child had come forward. Finally the (31) they had been waiting for came as I called out, "One, two, three. Open your presents!" As the children opened their packages, their faces beamed and their bright smiles (32) up the room. The (33) in the room was obvious, and (34) wasn’ t just about toys. It was a feeling, and the feeling I knew (35) that Christmas so long ago when the women came to visit. I wasn’t forgotten. Somebody thought of me. I matter.

33()

A.atmosphere 

B.sympathy 

C.calmness 

D.joy

题型:名词解释

男,30岁。右髋部疼痛一年,伴低热、盗汗、纳差及体重减轻。查:右髋关节呈屈曲畸形,活动受限,Thomas征(+),ESR 30mm/h。X线片示右髋关节间隙变窄,关节面有骨质破坏,右髋臼有直径2cm大小空洞,内有坏死骨片

最佳治疗方案是

A.立即进行病灶清除

B.髋人字形石膏固定

C.患肢持续皮肤牵引

D.抗结核治疗2~4周后行病灶清除术

E.关节穿刺抽脓,注入抗结核药物

更多题库