关于肢体导联左、右手电极接反的心电图描述错误的是（）

[问答题]You will be given a brief quotation that states or implies an issue of general interest and specific instructions on how to respond to that issue. You will then have 30 minutes to plan and compose a response according to the specific instructions. A response to any other issue will receive a score of zero.　 Make sure that you respond according to the specific instructions and support your position on the issue with reasons and examples drawn from such areas as your reading, experience, observations and/or academic studies.　 Trained GRE readers will evaluate your response for its overall quality, based on how well you:　 ● Respond to the specific task instructions　 ● Consider the complexities of the issue　 ● Organize, develop, and express your ideas　 ● Support your ideas with relevant reasons and/or examples　 ● Control the elements of standard written English　 Before you begin writing, you may want to think for a few minutes about the issue and the specific task instructions and then plan your response. Be sure to develop your position fully and organize it coherently, but leave time to reread what you have written and make any revisions you think are necessary.　 Practice 1

[单选题]热继电器工作时，其热元件应串联在（）中.

[多选题]彩色影调按色相可分为（）。

[填空题]曹操马踏麦田，欲自刎，谁劝说“法不加于尊”而让曹操借题割发代？（）

[单选题]新环保法规定：未达到国家环境质量标准的重点区域、流域的有关地方人民政府，应当制定限期达标规划，并采取措施（）。

[单选题]胸骨左缘第3、4肋间舒张期叹息样杂音，叩诊心界向左下扩大，其心脏浊音界外形为（）

[单选题]（）存储的内容可通过指令随机读写访问。

[多选题]《内经》中，依据不同的病因病机及临床症状，对消渴病病名记载的有（）

[名词解释题]权威结构

[单选题]制备雄黄的方法是（）