The word "pyelonephritis" can be divided into several parts as ________.
A、 pyelo + neph + ritis
B、 py + elo + nephritis
C、 pyelonephr + itis
D、 pyelo + nephr + it is

单项选择题The process of computer instructions’ execution generally includes the following steps 1: instruction decoding 2: performing operations 3: accessing data memory 4: storing results 5: reading instructions, which of the following is the correct order of the process? 计算机指令的执行通常包含以下步骤，1：指令译码；2：执行操作；3：数据获取；4：存储结果；5：读取指令。以下哪种顺序是指令执行的正确顺序？ A、1-2-3-4-5 B、2-3-4-5-1 C、5-1-2-3-4 D、5-2-1-3-4

多项选择题世界贸易组织的非歧视原则主要包括（ ） A. 最惠国待遇 B. 国民待遇 C. 禁止倾销 D. 限制出口补贴