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【单选题】
下列关于价键理论对配合物的说法中，正确的是( )。A.
任何中心离子与任何配体都能形成内轨型配合物
B.
任何中心离子与任何配体都能形成外轨型配合物
C.
中心离子用于形成配位键的原子轨道是经过杂化的等价空轨道
D.
以sp3d2和d2sp3杂化轨道成键的配合物具有不同的空间构型
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【单选题】The effect of this attack on the oil price is not clear, although some are predicting high possibility of price increase.
A.
Y
B.
N
C.
NG
【单选题】price ceiling will have no effect if:
A.
it is set above the equilibrium price.
B.
the equilibrium price is above the price ceiling.
C.
it is set below the equilibrium price.
D.
it creates a shortage.
【单选题】A price ceiling will have no effect if:
A.
. it is set above the equilibrium price.
B.
. the equilibrium price is above the price ceiling.
C.
. it is set below the equilibrium price.
D.
. it creates a shortage.
【单选题】某产妇,诊断为混合臀先露,骨盆外测量,髂棘间径 26cm,髂嵴间径28cm,骶耻外径19.5cm,坐骨结节间径9.5cm,肛查宫口开大1指,宫缩30-40秒/5~6分钟,规律,该产妇的骨盆诊断为
A.
均小骨盆
B.
扁平骨盆
C.
正常骨盆
D.
横径狭窄骨盆
E.
漏斗骨盆
【单选题】听力原文：Would you like this jacket or should I give you a different color? (A) You definitely have to bring your jacket. (B) I can give you a hand with that. (C) What colors do you have? (38)
A.
B.
【单选题】某产妇,诊断为混合臀先露,骨盆外测量,髂棘间径26cm,髂嵴间径28cm,骶耻外径19.5cm,坐骨结节间径9.5cm,肛查宫口开大1指,宫缩30-40秒/5~6分钟,规律,该产妇的骨盆诊断为
A.
均小骨盆
B.
扁平骨盆
C.
正常骨盆
D.
横径狭窄骨盆
E.
漏斗骨盆
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