【简答题】现场审核发现,项目部用1号吊车吊管桩预制件,采用的方法是用钢丝绳捆绑在预制件的中间部位起吊,导致预制件受力不均,预制件有裂纹。
【单选题】Why does the author encourage power plants to use biomass?
A.
To prevent the waste of energy.
B.
To increase production safety.
【单选题】(paragraph 8) Biomass energy is abundant but
A.
is very expensive to use.
B.
is air-polluting and costly.
C.
is unreliable& expensive to produce.
D.
is environmentally unfriendly.
【单选题】《莽丛中》与推理小说相比的特别之处在哪里?
【简答题】成年人的膀胱位于 前部,空虚时,膀胱尖一般不超过 上缘。