房颤时，电脉冲在心房内和心房周围的许多其他部位（异位），通常接近肺静脉根部，随机产生。
A: In atrial fibrillation, electrical stimuli are relayed randomly from many other sites called ectopic sites in and around the auricle, commonly near the roofs of pulmonary veins.
B: In atrial fibrillation, electrical impulses are initiated randomly from many other sites called ectopic sites in and around the atria, commonly near the roots of pulmonary veins.
A: In atrial fibrillation, electrical stimuli are relayed randomly from many other sites called ectopic sites in and around the auricle, commonly near the roofs of pulmonary veins.
B: In atrial fibrillation, electrical impulses are initiated randomly from many other sites called ectopic sites in and around the atria, commonly near the roots of pulmonary veins.
B
举一反三
- New jersey has many ______ sites
- The amazing Bone Flute was excavated in (). A: the Sites of Liangzhu Culture B: the Sites of Peiligang Culture C: the Sites of Majiayao Culture D: the Sites of Cishan Culture
- B2B sites give buyers easy access to a great deal of information from: A: Supplier Web sites B: Infomediaries C: Market makers D: Customer communities
- Booking sites
- The List of World Heritage in Danger places sites subject to unusual levels of pollution, natural hazards, or other problems, until _________ are made.
内容
- 0
Many large __ now sell other goods,for example clothes and electrical products
- 1
Which of the following sites is NOT in Washington D.C.?
- 2
World Heritage Sites are classified into...__________ heritage.
- 3
Which of the following tourist sites is not a Hollywood landmark?
- 4
Covalent modifications added to a protein’s amino acid side chains can control the location and function of the protein and can serve as docking sites for other proteins.