“Well,” I said, stumped. “What would you do with them?”
A. perplex
B. latent
C. inundate
D. peculiar
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I looked at her hard. She had filled her bottom lip with checkerberry snuff and itgave her face a kind of dopey, hangdog look.
A. pristine
B. prodigal
C. protract
D. scent
最外层电子数越多,原子半径越小
A. 对
B. 错
第二周期元素从左到右,最高正化合价从+1递增到+7
A. 对
B. 错