腹泻伴左下腹痛及里急后重者应考虑()
A．痢疾
B．肠炎
C．胃溃疡
D．胃肠炎
E．肠结核
参考答案：A
Internet shopping will ready _____ when people make sure that it is safe.[ ]
A. take off
B. take up
C. take over
D. take on
检测LOF的是哪个功能块（）
A.SPI
B.PPI
C.RST
D.MST
