题目内容

下列说法错误的是( )

A. 离子键就是阴阳离子间的静电引力
B. 所有金属元素和所有非金属元素能形成离子键
C. 晶格能越大,离子键强度越强
D. 离子的电子构型不一样,可使化合物性质很大的不同

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Pb2+属于( )电子构型

A. 8
B. 18
C. 18+2
D. 9~17

The last great musician and (1)______of what has been called the "Big Band Era".His music sold(2)_____. He was bon in New York City in (3)_____. His parents were (4)______from Eastern Europe. At the age of (5)______, he began to play the (6)_______and then the clarinet. He began working as a professional musician when he was(7)______. He left home and began piaying in bands across the United States. In (8)______, young Artie Shaw travaled to Chicago,Illinois to hear the great trumpet player,Louis Armstrong. He became interested in (9)______.In nineteen thirty-six, he was given a chance to form (10)_______and play at New York's famous theater on Broadway.

He returned to work after recovery from his illness, _______ another employee had taken his place.

A. only to tell
B. only to be told
C. only to be telling
D. to be told

摩法的操作要领是什么?

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