最有可能出现异常的实验室检查
A．血沉
B．血细胞计数
C．寻找红斑狼疮细胞
D．类风湿絮状沉淀试验
E．抗链球菌溶血素"O"滴定度
参考答案：A
—Have you seen my e-mail about our TESL project?
—Yes. Luckily I checked my e-mails yesterday. Normally I ______ my e-mail box for days. [ ]
A. haven’t opened
B. didn’t open
C. hadn’t opened
D. don’t open
食品强化的意义及原则。
