【单选题】装修公司甲在完成一项工程后,将剩余的木地板、厨卫用具等卖给了物业管理公司乙。但甲营业执照上的核准经营范围并无销售木地板、厨卫用具等业务。甲乙的买卖行为法律效力属于( )。
【单选题】配制0.2%的过氧乙酸溶液1000ml,应取5%的过氧乙酸溶液
【单选题】The newcomer was ______ admittance to the classroom for not being properly dressed.
【单选题】He was ( ) admittance to the theatre for not being properly dressed.
【单选题】纠错 Admittance for the inauguration ceremonies was only by special invitation of the committee.
【多选题】尽管肠道菌群构成复杂,细菌种类繁多,可大体划分为哪些类型( )
A.
共生菌群,如拟杆菌、梭菌、双歧杆菌、乳酸杆菌
B.
条件致病菌群,主要有肠球菌、肠杆菌等。尽管数量不多,但属于肠道里的不稳定因素。
C.
致病菌群,比如沙门氏菌、致病大肠杆菌等。它们是健康的破坏者,本不属于肠道,但一旦误食进入肠道,导致腹泻、食物中毒等。
【单选题】装修公司甲在完成一项工程后,将剩余的木地板、厨卫用具等卖给了物业管理公司乙。但甲营业执照上的核准经营范围并无销售木地板、厨卫用具等业务。甲乙的买卖行为法律效力如何?
【单选题】I called at his house but was refused ______.
【单选题】The impedance and admittance of capacitor, resistor, and inductor are denoted by ( ).
A.
Impedance: Z(s)=1/Cs, Z(s)=R, Z(s)=Ls; Admittance: Y(s)=Cs, Y(s)=1/R=G, Y(s)=1/Ls
B.
Admittance: Z(s)=1/Cs, Z(s)=R, Z(s)=Ls; Impedance: Y(s)=Cs, Y(s)=1/R=G, Y(s)=1/Ls