题目内容

"多巴胺舒张肾血管和肠系膜血管的机制是( )

A. 阻断βR
B. 阻断αR
C. 激动DR
D. 激动MR
E. 直接松弛平滑肌"

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"用于治疗房室传导阻滞的药物是( )

A. 肾上腺素
B. 去甲肾上腺素
C. 异丙肾上腺素
D. 酚妥拉明
E. 普萘洛尔"

"下列叙述的错误项是( )

A. 多巴胺激动α、β1和多巴胺受体
B. 异丙肾上腺素激动β1和β2受体
C. 麻黄碱激动α、β1、β2受体
D. 去甲肾上腺素激动α和β2受体
E. 肾上腺素激动α和β受体"

The following group of words can be regarded in academic writing as informal: ascend, preserve, immature, sufficient, subsequently，immediately, comprehension, perspiration.

A. 对
B. 错

Using the passive voice is a good way to achieve objectivity in academic writing, but the use of active voice is also acceptable as in "we developed a method called low-error amplicon sequencing”.

A. 对
B. 错