下列不是妊娠期高血压疾病的高危因素的是
A．经产妇B．孕妇年龄大于40岁C．低社会经济状况D．既往妊娠期高血压病史E．营养不良
参考答案：A
Santa is a merry man _____________ red clothes. [ ]
A. in
B. on
C. at
Next week we'll pay a visit to the Great Wall, so in our absence please _____ our pet dog. [ ]
A. have an eye for
B. keep an eye on
C. keep an eye out for
D. make eyes at
