【单选题】已知下列配离子的实测磁矩数值 1 [ Mn(CN) 6 ] 4 - 1 . 8 B . M . 2 [ Mn(CN) 6 ] 3 - 3 . 2 B . M . 3 [ Fe(CN) 6 ] 3 - 1 . 7 B . M . 4 [ FeF 6 ] 3 - 5 . 9 B . M . 5 [ Fe(CN) 6 ] 4 - 逆磁性 6 [ Co(NO 2 ) 6 ] 4 - 1 . 8...
【多选题】Porter’s Five Forces are inculding ( ) .
B.
Bargaining power of buyers
D.
Threat of new entrants
【单选题】According to Michael Porter’s five forces model, industry profits are likely to be low when:
A.
the level of rivalry among competitors is low.
B.
potential for entry into the industry is difficult.
C.
there are several suppliers of inputs.
D.
there are only a few large customers for the product.
【单选题】关于骨折的X线检查,下列说法错误的是:( )
B.
X线检查必须与临床检查相结合,某些骨折早期X线无明显骨折征象,但临床检查怀疑骨折,以临床检查为主,应先按骨折处理;
C.
前臂及小腿骨折,往往两骨的骨折线不在同一平面,故最好拍前臂或小腿的全长;
D.
儿童四肢靠近骨骺的损伤,有时不易确定有无骨折及移位需加摄健侧相应部位的对比X线;
E.
若常规X线摄片不能显影或显影不良,可加拍特定位置的X线片。
【多选题】基层群众性自治组织是实现城乡居民( )的基本形式。
【单选题】The river is too deep; we can’t _______ it.
【单选题】配离子[Mn(CN) 6 ] 4- 中d 能级分裂情况可由下列哪种实验测得?
【多选题】Choose the options that belong to the threats of substitute products in Porter’s Five Forces analysis:
A.
Number of similar products in the market
B.
Perceived level of product differentiation
C.
Uniqueness of each supplier’s product
D.
Size of each customer order
【单选题】下列配离子中,未成对电子数最多的是( )。 (A)[Cr(NH 3 ) 6 ] 3 + (B)[Mn(H 2 O) 6 ] 2 + (C)[Fe(CN) 6 ] 4 - (D)Ni(CO) 4
【单选题】Ashdown forest, through _______ we’ll be driving, isn’t a forest any longer.