题目内容

Choose the corresponding synonym for each phrase by putting the letter into the parenthesis.A. a negative attitude B. be more likely to do C. devote more time to workingD. a variety of E. be unwilling to do( )1) feel compelled to do( )2) be more prone to do( )3) a toxic attitude( )4) an array of( )5) dedicate more time to working

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Below are some of the signal words that are most often used by writers. Place each word under its proper heading below.

下列叙述正确的是( )

A. 一条形磁介质在外磁场中被磁化,该介质一定为顺磁质;
B. 一条形磁介质在外磁场中被磁化,该介质一定为抗磁质;
C. 一条形磁介质在外磁场中被磁化,该介质一定为铁磁质;
D. 顺磁质,抗磁质,铁磁质在外磁场中都会被磁化。

下列心电图表现中,低钾血症时最早期的改变是:

A. QT间期延长
B. U波
C. T波变平、降低或倒置
D. QRS变宽

高钾血症的心电图改变最不可能的是:

A. T波高而尖
B. QT间期延长
C. QRS增宽
D. U波

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