过渡金属M与有机磷形成的配合物可能形成兀键,这种丌键属于 (A) M(dπ)→L(pπ); (B) M(dπ)→L(dπ); (C) L(
过渡金属M与有机磷形成的配合物可能形成兀键,这种丌键属于
(A) M(dπ)→L(pπ); (B) M(dπ)→L(dπ);
(C) L(pπ)→M(dπ); (D) L(pπ)→M(pπ)。
过渡金属M与有机磷形成的配合物可能形成兀键,这种丌键属于
(A) M(dπ)→L(pπ); (B) M(dπ)→L(dπ);
(C) L(pπ)→M(dπ); (D) L(pπ)→M(pπ)。
第1题
It seems that now a country\'s economy depends much on _______ .
A how welldeveloped it is electronically
B whether it is prejudiced against immigrants
C whether it adopts America's industrial pattern
D how much control it has over foreign corporations
第2题
It seems that now a country\'s economy depends much on _______ .
A how welldeveloped it is electronically
B whether it is prejudiced against immigrants
C whether it adopts America's industrial pattern
D how much control it has over foreign corporations
第3题
According to this passage, family stability depends on ______.
A.the couple's earning ability
B.the relative balance between the benefits and costs of marriage
C.how much possessions the couple have before marriage
D.a network of social and legal support
第4题
According to this passage, family stability depends on ______.
A.the couple's earning ability
B.the relative balance between the benefits and costs of marriage
C.how much possessions the couple have before marriage
D.a network of social and legal support
第5题
________we can succeed or not depends on how well we cooperate
A.Then
B.Thus
C.What
D.Whether
第6题
A country's capacity to produce wealth depends on ______.
A.people's share of its goods
B.political and social stability
C.its standard of living
D.development of artificial resources
第7题
_____ we can succeed or not depends on how well we cooperate with others.
A.Then
B.Thus
C.What
D.Whether
第8题
According to the text, family stability depends on ________.()
[A] the coupies' earning ability
[B] a network of social and legal support
[C] how much possessions the couple have before marriage
[D] the relative balance between the benefits and costs of marriage
第9题
A country's capacity to produce wealth depends on all the factors EXCEPT______.
A.people's share of its goods
B.political and social stability
C.qualities of its workers
D.use of natural resources
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