题目内容

βl受体阻断产生的效应是

A.骨骼肌松弛
B.血管舒张
C.内脏平滑肌松弛
D.支气管平滑肌松弛
E.心收缩力减弱

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M受体阻断产生的效应是

A.骨骼肌松弛
B.血管舒张
C.内脏平滑肌松弛
D.支气管平滑肌松弛
E.心收缩力减弱

M受体兴奋可引起

A.心率加快
B.支气管平滑肌松弛
C.腺体分泌减少
D.胃肠道平滑肌收缩
E.骨骼肌收缩

现代第一座高层建筑是()。

Whichwriting method is used in the following paragraph to show Li Baoguo's hard work and great achievements?In an instruction in 2016, Xi called Li Baoguo an excellent intellectual and likened him to the "foolish old man on the Taihang Mountains," a character in a Chinese fable who relentlessly tried to remove the mountains in front of his house. Li Baoguo, who taught at Hebei Agricultural University, championed poverty alleviation through forestation. He spent more than half of his last 35 years on these efforts. He successfully afforested more than 93,000 hectares of barren mountains and helped 100,000 farmers out of poverty.

A. Citing figures
B. Comparison and contrast
Classification

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