肥达反应假阳性的原因，错误的是（）
A.其他感染
B.早期应用抗生素
C.伤寒杆菌的变异
D.老、弱、婴幼儿患者
E.免疫缺陷者
参考答案：C
Judy has a ________. The doctor says that she ________ eat anything for twenty-four hours. [ ]
A. stomachache, shouldn't
B. toothache, shouldn't
C. sore back, should
D. fever, should
内墙镶贴面砖饰面施工时所做的标志块横向间距一般为（）米。
A.1-1.5
B.2-2.5
C.1.5-2
D.2-3
