诊断急性炎症性脱髓鞘性多发性神经病最有价值的是()
A.流行病学资料
B.有发热感冒史
C.瘫痪重于感觉障碍
D.病后3周脑脊液蛋白-细胞分离现象
E.同时伴有脑神经麻痹
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动词填空 用括号内所给动词的适当形式填空,并将答案写在答题卡标有题号的横线上。(本大题共8小题,每小题1分,共8分)
小题1:It is known to all that paper __________ in China by Cai Lun long, long ago. (invent)
小题2:Li Qi put all his effort into ___________ singing and finally came first in the Voice of China.
(practice)
小题3:Could you tell me if the subway (地铁) _____________ in use in Wuxi in the near future. (be)
小题4:I didn’t go to see the film Lost In Thailand with other people last night for I ____________ it
twice. (see)
小题5:While the rich man _________ around the square, the kidnapping suddenly took place. (walk)
小题6:Will you be pleased if you______________ the job. (offer)
小题7:Files directed by Beijing TV Station ___________ many mysteries in history. (cover)
小题8:So far, Liu Shishi _________ in quite a few hot TV plays, so she is popular these days. (act)
完好无损的新鲜水果用保鲜袋包裹,可延长贮存时间,主要原因是[ ]
A.防止水分散失
B.抑制呼吸作用
C.避免果皮损伤
D.保持了适宜的温度
为保证数据输入的正确性,通常在代码结构中加入( )。
A.十进制编码
B.校验码
C.专用编码
D.组合编码
钴-60r射线的特点中以下哪项提法不正确()
A、射线穿透力较强,可治疗中。深层肿瘤
B、最大剂量点不在表面,皮肤反应小
C、钴-60r射线一般骨吸收少,可治疗一些骨后面的肿瘤
D、最大剂量点在表面,皮肤反应重
E、钴-60r的半影主要是由源的体积造成
某矩形基础底面尺寸3m×3m,自重应力和附加应力分布图如下图所示,第②层土的室内压缩曲线如下图所示。
根据上图所示的应力分布图和压缩曲线,第②层土的压缩系数a最接近于()。
A.0.0013
B.0.0018
C.0.003
D.0.006