【多选题】出现路基“弹簧”现象的原因是()。
B.
碾压层下有软弱层,且含水量过大,在上层碾压过程中,下层弹簧反射至上层
D.
局部填土混人冻土或过湿的淤泥、沼泽土、有机土、腐殖土以及含有草皮、树根和生活垃圾的不良填料
E.
透水性好与透水,陛差的土壤混填,且透水性差的土壤包裹了透水性好的土壤,形成了“水壤”
【多选题】出现路基“弹簧”现象的原因是()。
B.
碾压层下有软弱层,且含水量过大,在上层碾压过程中,下层弹簧反射至上层
D.
局部填土混入冻土或过湿的淤泥、沼泽土、有机土、腐殖土以及含有草皮、树根和生活垃圾的不良填料
E.
透水性好与透水性差的土壤混填,且透水性差的土壤包裹了透水性好的土壤,形成了“水壤”
【单选题】关于膝部损伤的描述不正确的一项是
A.
膝关节是人体内结构最复杂、 关节最大、杠杆作用最强而且最易受伤的关节
B.
在 大运动负荷训练后 膝关节 感到酸软无力,休息后症状消失,没有其他症状,一般不能确定是髌骨劳损
C.
病程长、症状较重的髌骨劳损多拌有股四头肌萎缩,尤其是骨内肌比较明显
D.
重度髌骨劳损的髌尖、髌骨周缘常有压痛,按压并上下、左右推动髌骨时有压痛
【简答题】Tony was__________honest boy. He found a wallet at__________school gate and gave it to its owner.
【单选题】压力铸造与()相比较,要晚几千年,它依赖于压力机的诞生。
【单选题】He found Tony near the counter, ________ he gave Brian a ticket and a small package.
【判断题】He found Tony near the Air France counter,where he gave Brian a round-trip ticket and a small package.
【单选题】When Tony came to, he found himself ___________ in hospital with his teachers and classmates around him.
【单选题】Tony was ______ honest boy. He found a wallet at ______ school gate and gave it to its owner.
【单选题】Tony often goes to the park, _____?